1277761616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{761}}^1\times {\mathrm{6173}}^1$

素因数の和:6959

約数の個数: 40

約数和(自身を含む): 2625160104

約数和(自身を除く): 1347398488

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 761, 1522, 3044, 6088, 6173, 12176, 12346, 12937, 24692, 25874, 49384, 51748, 98768, 103496, 104941, 206992, 209882, 419764, 839528, 1679056, 4697653, 9395306, 18790612, 37581224, 75162448, 79860101, 159720202, 319440404, 638880808, 1277761616]

約数ペア:

[(1, 1277761616), (2, 638880808), (4, 319440404), (8, 159720202), (16, 79860101), (17, 75162448), (34, 37581224), (68, 18790612), (136, 9395306), (272, 4697653), (761, 1679056), (1522, 839528), (3044, 419764), (6088, 209882), (6173, 206992), (12176, 104941), (12346, 103496), (12937, 98768), (24692, 51748), (25874, 49384)]