680940552

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{399613}}^1$

素因数の和:399693

約数の個数: 32

約数和(自身を含む): 1726332480

約数和(自身を除く): 1045391928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 399613, 799226, 1198839, 1598452, 2397678, 3196904, 4795356, 9590712, 28372523, 56745046, 85117569, 113490092, 170235138, 226980184, 340470276, 680940552]

約数ペア:

[(1, 680940552), (2, 340470276), (3, 226980184), (4, 170235138), (6, 113490092), (8, 85117569), (12, 56745046), (24, 28372523), (71, 9590712), (142, 4795356), (213, 3196904), (284, 2397678), (426, 1598452), (568, 1198839), (852, 799226), (1704, 399613)]