2555380995

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{563}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 4345380864

約数和(自身を除く): 1789999869

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 227, 465, 563, 645, 681, 1135, 1333, 1689, 2815, 3405, 3999, 6665, 7037, 8445, 9761, 17453, 19995, 21111, 24209, 29283, 35185, 48805, 52359, 72627, 87265, 105555, 121045, 127801, 146415, 261795, 302591, 363135, 383403, 639005, 750479, 907773, 1512955, 1917015, 2251437, 3752395, 3961831, 4538865, 5495443, 11257185, 11885493, 16486329, 19809155, 27477215, 59427465, 82431645, 170358733, 511076199, 851793665, 2555380995]

約数ペア:

[(1, 2555380995), (3, 851793665), (5, 511076199), (15, 170358733), (31, 82431645), (43, 59427465), (93, 27477215), (129, 19809155), (155, 16486329), (215, 11885493), (227, 11257185), (465, 5495443), (563, 4538865), (645, 3961831), (681, 3752395), (1135, 2251437), (1333, 1917015), (1689, 1512955), (2815, 907773), (3405, 750479), (3999, 639005), (6665, 383403), (7037, 363135), (8445, 302591), (9761, 261795), (17453, 146415), (19995, 127801), (21111, 121045), (24209, 105555), (29283, 87265), (35185, 72627), (48805, 52359)]