263444870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{43117}}^1$

素因数の和:43184

約数の個数: 32

約数和(自身を含む): 521555328

約数和(自身を除く): 258110458

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 43117, 86234, 215585, 431170, 560521, 1121042, 2026499, 2802605, 4052998, 5605210, 10132495, 20264990, 26344487, 52688974, 131722435, 263444870]

約数ペア:

[(1, 263444870), (2, 131722435), (5, 52688974), (10, 26344487), (13, 20264990), (26, 10132495), (47, 5605210), (65, 4052998), (94, 2802605), (130, 2026499), (235, 1121042), (470, 560521), (611, 431170), (1222, 215585), (3055, 86234), (6110, 43117)]