689969156

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 1260521472

約数和(自身を除く): 570552316

約数列:

[1, 2, 4, 41, 82, 127, 157, 164, 211, 254, 314, 422, 508, 628, 844, 5207, 6437, 8651, 10414, 12874, 17302, 19939, 20828, 25748, 26797, 33127, 34604, 39878, 53594, 66254, 79756, 107188, 132508, 817499, 1098677, 1358207, 1634998, 2197354, 2716414, 3269996, 4207129, 4394708, 5432828, 8414258, 16828516, 172492289, 344984578, 689969156]

約数ペア:

[(1, 689969156), (2, 344984578), (4, 172492289), (41, 16828516), (82, 8414258), (127, 5432828), (157, 4394708), (164, 4207129), (211, 3269996), (254, 2716414), (314, 2197354), (422, 1634998), (508, 1358207), (628, 1098677), (844, 817499), (5207, 132508), (6437, 107188), (8651, 79756), (10414, 66254), (12874, 53594), (17302, 39878), (19939, 34604), (20828, 33127), (25748, 26797)]