645816

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 1641600

約数和(自身を除く): 995784

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 379, 426, 568, 758, 852, 1137, 1516, 1704, 2274, 3032, 4548, 9096, 26909, 53818, 80727, 107636, 161454, 215272, 322908, 645816]

約数ペア:

[(1, 645816), (2, 322908), (3, 215272), (4, 161454), (6, 107636), (8, 80727), (12, 53818), (24, 26909), (71, 9096), (142, 4548), (213, 3032), (284, 2274), (379, 1704), (426, 1516), (568, 1137), (758, 852)]