261996174

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 672399360

約数和(自身を除く): 410403186

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 99, 127, 138, 151, 198, 207, 253, 254, 297, 302, 381, 414, 453, 506, 594, 621, 759, 762, 906, 1143, 1242, 1359, 1397, 1518, 1661, 2277, 2286, 2718, 2794, 2921, 3322, 3429, 3473, 4077, 4191, 4554, 4983, 5842, 6831, 6858, 6946, 8154, 8382, 8763, 9966, 10419, 12573, 13662, 14949, 17526, 19177, 20838, 25146, 26289, 29898, 31257, 32131, 37719, 38203, 38354, 44847, 52578, 57531, 62514, 64262, 75438, 76406, 78867, 89694, 93771, 96393, 114609, 115062, 157734, 172593, 187542, 192786, 210947, 229218, 289179, 343827, 345186, 421894, 441071, 517779, 578358, 632841, 687654, 867537, 882142, 1031481, 1035558, 1265682, 1323213, 1735074, 1898523, 2062962, 2646426, 3797046, 3969639, 4851781, 5695569, 7939278, 9703562, 11391138, 11908917, 14555343, 23817834, 29110686, 43666029, 87332058, 130998087, 261996174]

約数ペア:

[(1, 261996174), (2, 130998087), (3, 87332058), (6, 43666029), (9, 29110686), (11, 23817834), (18, 14555343), (22, 11908917), (23, 11391138), (27, 9703562), (33, 7939278), (46, 5695569), (54, 4851781), (66, 3969639), (69, 3797046), (99, 2646426), (127, 2062962), (138, 1898523), (151, 1735074), (198, 1323213), (207, 1265682), (253, 1035558), (254, 1031481), (297, 882142), (302, 867537), (381, 687654), (414, 632841), (453, 578358), (506, 517779), (594, 441071), (621, 421894), (759, 345186), (762, 343827), (906, 289179), (1143, 229218), (1242, 210947), (1359, 192786), (1397, 187542), (1518, 172593), (1661, 157734), (2277, 115062), (2286, 114609), (2718, 96393), (2794, 93771), (2921, 89694), (3322, 78867), (3429, 76406), (3473, 75438), (4077, 64262), (4191, 62514), (4554, 57531), (4983, 52578), (5842, 44847), (6831, 38354), (6858, 38203), (6946, 37719), (8154, 32131), (8382, 31257), (8763, 29898), (9966, 26289), (10419, 25146), (12573, 20838), (13662, 19177), (14949, 17526)]