64013968

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{883}}^1$

素因数の和:1111

約数の個数: 40

約数和(自身を含む): 130223808

約数和(自身を除く): 66209840

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 197, 368, 394, 788, 883, 1576, 1766, 3152, 3532, 4531, 7064, 9062, 14128, 18124, 20309, 36248, 40618, 72496, 81236, 162472, 173951, 324944, 347902, 695804, 1391608, 2783216, 4000873, 8001746, 16003492, 32006984, 64013968]

約数ペア:

[(1, 64013968), (2, 32006984), (4, 16003492), (8, 8001746), (16, 4000873), (23, 2783216), (46, 1391608), (92, 695804), (184, 347902), (197, 324944), (368, 173951), (394, 162472), (788, 81236), (883, 72496), (1576, 40618), (1766, 36248), (3152, 20309), (3532, 18124), (4531, 14128), (7064, 9062)]