31654690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 58235760

約数和(自身を除く): 26581070

約数列:

[1, 2, 5, 10, 109, 113, 218, 226, 257, 514, 545, 565, 1090, 1130, 1285, 2570, 12317, 24634, 28013, 29041, 56026, 58082, 61585, 123170, 140065, 145205, 280130, 290410, 3165469, 6330938, 15827345, 31654690]

約数ペア:

[(1, 31654690), (2, 15827345), (5, 6330938), (10, 3165469), (109, 290410), (113, 280130), (218, 145205), (226, 140065), (257, 123170), (514, 61585), (545, 58082), (565, 56026), (1090, 29041), (1130, 28013), (1285, 24634), (2570, 12317)]