1285996816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{150797}}^1$

素因数の和:150859

約数の個数: 40

約数和(自身を含む): 2748745944

約数和(自身を除く): 1462749128

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 150797, 301594, 603188, 1206376, 1960361, 2412752, 3920722, 6182677, 7841444, 12365354, 15682888, 24730708, 31365776, 49461416, 80374801, 98922832, 160749602, 321499204, 642998408, 1285996816]

約数ペア:

[(1, 1285996816), (2, 642998408), (4, 321499204), (8, 160749602), (13, 98922832), (16, 80374801), (26, 49461416), (41, 31365776), (52, 24730708), (82, 15682888), (104, 12365354), (164, 7841444), (208, 6182677), (328, 3920722), (533, 2412752), (656, 1960361), (1066, 1206376), (2132, 603188), (4264, 301594), (8528, 150797)]