12661870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 24730272

約数和(自身を除く): 12068402

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 563, 865, 1126, 1730, 2249, 2815, 4498, 5630, 7319, 11245, 14638, 22490, 36595, 73190, 97399, 194798, 486995, 973990, 1266187, 2532374, 6330935, 12661870]

約数ペア:

[(1, 12661870), (2, 6330935), (5, 2532374), (10, 1266187), (13, 973990), (26, 486995), (65, 194798), (130, 97399), (173, 73190), (346, 36595), (563, 22490), (865, 14638), (1126, 11245), (1730, 7319), (2249, 5630), (2815, 4498)]