31379656

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 74136960

約数和(自身を除く): 42757304

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 421, 484, 616, 842, 847, 968, 1331, 1684, 1694, 2662, 2947, 3368, 3388, 4631, 5324, 5894, 6776, 9262, 9317, 10648, 11788, 18524, 18634, 23576, 32417, 37048, 37268, 50941, 64834, 74536, 101882, 129668, 203764, 259336, 356587, 407528, 560351, 713174, 1120702, 1426348, 2241404, 2852696, 3922457, 4482808, 7844914, 15689828, 31379656]

約数ペア:

[(1, 31379656), (2, 15689828), (4, 7844914), (7, 4482808), (8, 3922457), (11, 2852696), (14, 2241404), (22, 1426348), (28, 1120702), (44, 713174), (56, 560351), (77, 407528), (88, 356587), (121, 259336), (154, 203764), (242, 129668), (308, 101882), (421, 74536), (484, 64834), (616, 50941), (842, 37268), (847, 37048), (968, 32417), (1331, 23576), (1684, 18634), (1694, 18524), (2662, 11788), (2947, 10648), (3368, 9317), (3388, 9262), (4631, 6776), (5324, 5894)]