1640989945

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{3677}}^1$

素因数の和:4041

約数の個数: 32

約数和(自身を含む): 2313432576

約数和(自身を除く): 672442631

約数列:

[1, 5, 7, 35, 41, 205, 287, 311, 1435, 1555, 2177, 3677, 10885, 12751, 18385, 25739, 63755, 89257, 128695, 150757, 446285, 753785, 1055299, 1143547, 5276495, 5717735, 8004829, 40024145, 46885427, 234427135, 328197989, 1640989945]

約数ペア:

[(1, 1640989945), (5, 328197989), (7, 234427135), (35, 46885427), (41, 40024145), (205, 8004829), (287, 5717735), (311, 5276495), (1435, 1143547), (1555, 1055299), (2177, 753785), (3677, 446285), (10885, 150757), (12751, 128695), (18385, 89257), (25739, 63755)]