621356639

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1\times {\mathrm{2003}}^1$

素因数の和:2614

約数の個数: 16

約数和(自身を含む): 678153600

約数和(自身を除く): 56796961

約数列:

[1, 19, 29, 551, 563, 2003, 10697, 16327, 38057, 58087, 310213, 1103653, 1127689, 21426091, 32702981, 621356639]

約数ペア:

[(1, 621356639), (19, 32702981), (29, 21426091), (551, 1127689), (563, 1103653), (2003, 310213), (10697, 58087), (16327, 38057)]