247749432

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:645

約数の個数: 128

約数和(自身を含む): 754790400

約数和(自身を除く): 507040968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 204, 223, 238, 357, 389, 408, 446, 476, 669, 714, 778, 892, 952, 1167, 1338, 1428, 1556, 1561, 1784, 2334, 2676, 2723, 2856, 3112, 3122, 3791, 4668, 4683, 5352, 5446, 6244, 6613, 7582, 8169, 9336, 9366, 10892, 11373, 12488, 13226, 15164, 16338, 18732, 19839, 21784, 22746, 26452, 26537, 30328, 32676, 37464, 39678, 45492, 46291, 52904, 53074, 65352, 79356, 79611, 86747, 90984, 92582, 106148, 138873, 158712, 159222, 173494, 185164, 212296, 260241, 277746, 318444, 346988, 370328, 520482, 555492, 607229, 636888, 693976, 1040964, 1110984, 1214458, 1474699, 1821687, 2081928, 2428916, 2949398, 3643374, 4424097, 4857832, 5898796, 7286748, 8848194, 10322893, 11797592, 14573496, 17696388, 20645786, 30968679, 35392776, 41291572, 61937358, 82583144, 123874716, 247749432]

約数ペア:

[(1, 247749432), (2, 123874716), (3, 82583144), (4, 61937358), (6, 41291572), (7, 35392776), (8, 30968679), (12, 20645786), (14, 17696388), (17, 14573496), (21, 11797592), (24, 10322893), (28, 8848194), (34, 7286748), (42, 5898796), (51, 4857832), (56, 4424097), (68, 3643374), (84, 2949398), (102, 2428916), (119, 2081928), (136, 1821687), (168, 1474699), (204, 1214458), (223, 1110984), (238, 1040964), (357, 693976), (389, 636888), (408, 607229), (446, 555492), (476, 520482), (669, 370328), (714, 346988), (778, 318444), (892, 277746), (952, 260241), (1167, 212296), (1338, 185164), (1428, 173494), (1556, 159222), (1561, 158712), (1784, 138873), (2334, 106148), (2676, 92582), (2723, 90984), (2856, 86747), (3112, 79611), (3122, 79356), (3791, 65352), (4668, 53074), (4683, 52904), (5352, 46291), (5446, 45492), (6244, 39678), (6613, 37464), (7582, 32676), (8169, 30328), (9336, 26537), (9366, 26452), (10892, 22746), (11373, 21784), (12488, 19839), (13226, 18732), (15164, 16338)]