664319590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{22963}}^1$

素因数の和:23244

約数の個数: 32

約数和(自身を含む): 1309499136

約数和(自身を除く): 645179546

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 263, 526, 1315, 2630, 2893, 5786, 14465, 22963, 28930, 45926, 114815, 229630, 252593, 505186, 1262965, 2525930, 6039269, 12078538, 30196345, 60392690, 66431959, 132863918, 332159795, 664319590]

約数ペア:

[(1, 664319590), (2, 332159795), (5, 132863918), (10, 66431959), (11, 60392690), (22, 30196345), (55, 12078538), (110, 6039269), (263, 2525930), (526, 1262965), (1315, 505186), (2630, 252593), (2893, 229630), (5786, 114815), (14465, 45926), (22963, 28930)]