439899070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{5279}}^1$

素因数の和:5940

約数の個数: 32

約数和(自身を含む): 854219520

約数和(自身を除く): 414320450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 641, 1282, 3205, 5279, 6410, 8333, 10558, 16666, 26395, 41665, 52790, 68627, 83330, 137254, 343135, 686270, 3383839, 6767678, 16919195, 33838390, 43989907, 87979814, 219949535, 439899070]

約数ペア:

[(1, 439899070), (2, 219949535), (5, 87979814), (10, 43989907), (13, 33838390), (26, 16919195), (65, 6767678), (130, 3383839), (641, 686270), (1282, 343135), (3205, 137254), (5279, 83330), (6410, 68627), (8333, 52790), (10558, 41665), (16666, 26395)]