216886475519

素因数分解:

$7^1\times {\mathrm{821}}^1\times {\mathrm{1873}}^1\times {\mathrm{20149}}^1$

素因数の和:22850

約数の個数: 16

約数和(自身を含む): 248316993600

約数和(自身を除く): 31430518081

約数列:

[1, 7, 821, 1873, 5747, 13111, 20149, 141043, 1537733, 10764131, 16542329, 37739077, 115796303, 264173539, 30983782217, 216886475519]

約数ペア:

[(1, 216886475519), (7, 30983782217), (821, 264173539), (1873, 115796303), (5747, 37739077), (13111, 16542329), (20149, 10764131), (141043, 1537733)]