71379490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78439}}^1$

素因数の和:78466

約数の個数: 32

約数和(自身を含む): 158135040

約数和(自身を除く): 86755550

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 78439, 156878, 392195, 549073, 784390, 1019707, 1098146, 2039414, 2745365, 5098535, 5490730, 7137949, 10197070, 14275898, 35689745, 71379490]

約数ペア:

[(1, 71379490), (2, 35689745), (5, 14275898), (7, 10197070), (10, 7137949), (13, 5490730), (14, 5098535), (26, 2745365), (35, 2039414), (65, 1098146), (70, 1019707), (91, 784390), (130, 549073), (182, 392195), (455, 156878), (910, 78439)]