1289667056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{64951}}^1$

素因数の和:65049

約数の個数: 40

約数和(自身を含む): 2681997984

約数和(自身を除く): 1392330928

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 73, 136, 146, 272, 292, 584, 1168, 1241, 2482, 4964, 9928, 19856, 64951, 129902, 259804, 519608, 1039216, 1104167, 2208334, 4416668, 4741423, 8833336, 9482846, 17666672, 18965692, 37931384, 75862768, 80604191, 161208382, 322416764, 644833528, 1289667056]

約数ペア:

[(1, 1289667056), (2, 644833528), (4, 322416764), (8, 161208382), (16, 80604191), (17, 75862768), (34, 37931384), (68, 18965692), (73, 17666672), (136, 9482846), (146, 8833336), (272, 4741423), (292, 4416668), (584, 2208334), (1168, 1104167), (1241, 1039216), (2482, 519608), (4964, 259804), (9928, 129902), (19856, 64951)]