156817778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3671}}^1$

素因数の和:3770

約数の個数: 32

約数和(自身を含む): 266499072

約数和(自身を除く): 109681294

約数列:

[1, 2, 13, 26, 31, 53, 62, 106, 403, 689, 806, 1378, 1643, 3286, 3671, 7342, 21359, 42718, 47723, 95446, 113801, 194563, 227602, 389126, 1479413, 2529319, 2958826, 5058638, 6031453, 12062906, 78408889, 156817778]

約数ペア:

[(1, 156817778), (2, 78408889), (13, 12062906), (26, 6031453), (31, 5058638), (53, 2958826), (62, 2529319), (106, 1479413), (403, 389126), (689, 227602), (806, 194563), (1378, 113801), (1643, 95446), (3286, 47723), (3671, 42718), (7342, 21359)]