321570704

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{220859}}^1$

素因数の和:220887

約数の個数: 40

約数和(自身を含む): 766825920

約数和(自身を除く): 445255216

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 220859, 441718, 883436, 1546013, 1766872, 2871167, 3092026, 3533744, 5742334, 6184052, 11484668, 12368104, 20098169, 22969336, 24736208, 40196338, 45938672, 80392676, 160785352, 321570704]

約数ペア:

[(1, 321570704), (2, 160785352), (4, 80392676), (7, 45938672), (8, 40196338), (13, 24736208), (14, 22969336), (16, 20098169), (26, 12368104), (28, 11484668), (52, 6184052), (56, 5742334), (91, 3533744), (104, 3092026), (112, 2871167), (182, 1766872), (208, 1546013), (364, 883436), (728, 441718), (1456, 220859)]