287685008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{12689}}^1$

素因数の和:12819

約数の個数: 40

約数和(自身を含む): 605820600

約数和(自身を除く): 318135592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1417, 1744, 2834, 5668, 11336, 12689, 22672, 25378, 50756, 101512, 164957, 203024, 329914, 659828, 1319656, 1383101, 2639312, 2766202, 5532404, 11064808, 17980313, 22129616, 35960626, 71921252, 143842504, 287685008]

約数ペア:

[(1, 287685008), (2, 143842504), (4, 71921252), (8, 35960626), (13, 22129616), (16, 17980313), (26, 11064808), (52, 5532404), (104, 2766202), (109, 2639312), (208, 1383101), (218, 1319656), (436, 659828), (872, 329914), (1417, 203024), (1744, 164957), (2834, 101512), (5668, 50756), (11336, 25378), (12689, 22672)]