128548016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{2399}}^1$

素因数の和:2621

約数の個数: 40

約数和(自身を含む): 265161600

約数和(自身を除く): 136613584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 197, 272, 394, 788, 1576, 2399, 3152, 3349, 4798, 6698, 9596, 13396, 19192, 26792, 38384, 40783, 53584, 81566, 163132, 326264, 472603, 652528, 945206, 1890412, 3780824, 7561648, 8034251, 16068502, 32137004, 64274008, 128548016]

約数ペア:

[(1, 128548016), (2, 64274008), (4, 32137004), (8, 16068502), (16, 8034251), (17, 7561648), (34, 3780824), (68, 1890412), (136, 945206), (197, 652528), (272, 472603), (394, 326264), (788, 163132), (1576, 81566), (2399, 53584), (3152, 40783), (3349, 38384), (4798, 26792), (6698, 19192), (9596, 13396)]