1272223648

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1225

約数の個数: 48

約数和(自身を含む): 2532353544

約数和(自身を除く): 1260129896

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 521, 548, 557, 1042, 1096, 1114, 2084, 2192, 2228, 4168, 4384, 4456, 8336, 8912, 16672, 17824, 71377, 76309, 142754, 152618, 285508, 290197, 305236, 571016, 580394, 610472, 1142032, 1160788, 1220944, 2284064, 2321576, 2441888, 4643152, 9286304, 39756989, 79513978, 159027956, 318055912, 636111824, 1272223648]

約数ペア:

[(1, 1272223648), (2, 636111824), (4, 318055912), (8, 159027956), (16, 79513978), (32, 39756989), (137, 9286304), (274, 4643152), (521, 2441888), (548, 2321576), (557, 2284064), (1042, 1220944), (1096, 1160788), (1114, 1142032), (2084, 610472), (2192, 580394), (2228, 571016), (4168, 305236), (4384, 290197), (4456, 285508), (8336, 152618), (8912, 142754), (16672, 76309), (17824, 71377)]