1640894973

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{42943}}^1$

素因数の和:43264

約数の個数: 16

約数和(自身を含む): 2242707456

約数和(自身を除く): 601812483

約数列:

[1, 3, 47, 141, 271, 813, 12737, 38211, 42943, 128829, 2018321, 6054963, 11637553, 34912659, 546964991, 1640894973]

約数ペア:

[(1, 1640894973), (3, 546964991), (47, 34912659), (141, 11637553), (271, 6054963), (813, 2018321), (12737, 128829), (38211, 42943)]