256156936

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{12671}}^1$

素因数の和:12722

約数の個数: 48

約数和(自身を含む): 579363840

約数和(自身を除く): 323206904

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 1064, 1444, 2527, 2888, 5054, 10108, 12671, 20216, 25342, 50684, 88697, 101368, 177394, 240749, 354788, 481498, 709576, 962996, 1685243, 1925992, 3370486, 4574231, 6740972, 9148462, 13481944, 18296924, 32019617, 36593848, 64039234, 128078468, 256156936]

約数ペア:

[(1, 256156936), (2, 128078468), (4, 64039234), (7, 36593848), (8, 32019617), (14, 18296924), (19, 13481944), (28, 9148462), (38, 6740972), (56, 4574231), (76, 3370486), (133, 1925992), (152, 1685243), (266, 962996), (361, 709576), (532, 481498), (722, 354788), (1064, 240749), (1444, 177394), (2527, 101368), (2888, 88697), (5054, 50684), (10108, 25342), (12671, 20216)]