747778878

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:580

約数の個数: 160

約数和(自身を含む): 2108164608

約数和(自身を除く): 1360385730

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 126, 151, 154, 162, 189, 198, 231, 297, 302, 378, 397, 453, 462, 567, 594, 693, 794, 891, 906, 1057, 1134, 1191, 1359, 1386, 1661, 1782, 2079, 2114, 2382, 2718, 2779, 3171, 3322, 3573, 4077, 4158, 4367, 4983, 5558, 6237, 6342, 7146, 8154, 8337, 8734, 9513, 9966, 10719, 11627, 12231, 12474, 13101, 14949, 16674, 19026, 21438, 23254, 24462, 25011, 26202, 28539, 29898, 30569, 32157, 34881, 39303, 44847, 50022, 57078, 59947, 61138, 64314, 69762, 75033, 78606, 85617, 89694, 91707, 104643, 117909, 119894, 134541, 150066, 171234, 179841, 183414, 209286, 225099, 235818, 269082, 275121, 313929, 353727, 359682, 419629, 450198, 539523, 550242, 627858, 659417, 707454, 825363, 839258, 941787, 1079046, 1258887, 1318834, 1618569, 1650726, 1883574, 1978251, 2476089, 2517774, 3237138, 3776661, 3956502, 4615919, 4855707, 4952178, 5934753, 7553322, 9231838, 9711414, 11329983, 11869506, 13847757, 17804259, 22659966, 27695514, 33989949, 35608518, 41543271, 53412777, 67979898, 83086542, 106825554, 124629813, 249259626, 373889439, 747778878]

約数ペア:

[(1, 747778878), (2, 373889439), (3, 249259626), (6, 124629813), (7, 106825554), (9, 83086542), (11, 67979898), (14, 53412777), (18, 41543271), (21, 35608518), (22, 33989949), (27, 27695514), (33, 22659966), (42, 17804259), (54, 13847757), (63, 11869506), (66, 11329983), (77, 9711414), (81, 9231838), (99, 7553322), (126, 5934753), (151, 4952178), (154, 4855707), (162, 4615919), (189, 3956502), (198, 3776661), (231, 3237138), (297, 2517774), (302, 2476089), (378, 1978251), (397, 1883574), (453, 1650726), (462, 1618569), (567, 1318834), (594, 1258887), (693, 1079046), (794, 941787), (891, 839258), (906, 825363), (1057, 707454), (1134, 659417), (1191, 627858), (1359, 550242), (1386, 539523), (1661, 450198), (1782, 419629), (2079, 359682), (2114, 353727), (2382, 313929), (2718, 275121), (2779, 269082), (3171, 235818), (3322, 225099), (3573, 209286), (4077, 183414), (4158, 179841), (4367, 171234), (4983, 150066), (5558, 134541), (6237, 119894), (6342, 117909), (7146, 104643), (8154, 91707), (8337, 89694), (8734, 85617), (9513, 78606), (9966, 75033), (10719, 69762), (11627, 64314), (12231, 61138), (12474, 59947), (13101, 57078), (14949, 50022), (16674, 44847), (19026, 39303), (21438, 34881), (23254, 32157), (24462, 30569), (25011, 29898), (26202, 28539)]