1286943970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{125311}}^1$

素因数の和:125410

約数の個数: 32

約数和(自身を含む): 2526289920

約数和(自身を除く): 1239345950

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 125311, 250622, 626555, 1253110, 1629043, 3258086, 8145215, 9899569, 16290430, 19799138, 49497845, 98995690, 128694397, 257388794, 643471985, 1286943970]

約数ペア:

[(1, 1286943970), (2, 643471985), (5, 257388794), (10, 128694397), (13, 98995690), (26, 49497845), (65, 19799138), (79, 16290430), (130, 9899569), (158, 8145215), (395, 3258086), (790, 1629043), (1027, 1253110), (2054, 626555), (5135, 250622), (10270, 125311)]