128026928

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{195163}}^1$

素因数の和:195212

約数の個数: 20

約数和(自身を含む): 254103528

約数和(自身を除く): 126076600

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 195163, 390326, 780652, 1561304, 3122608, 8001683, 16003366, 32006732, 64013464, 128026928]

約数ペア:

[(1, 128026928), (2, 64013464), (4, 32006732), (8, 16003366), (16, 8001683), (41, 3122608), (82, 1561304), (164, 780652), (328, 390326), (656, 195163)]