221365538

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{3457}}^1$

素因数の和:3877

約数の個数: 16

約数和(自身を含む): 336491064

約数和(自身を除く): 115125526

約数列:

[1, 2, 101, 202, 317, 634, 3457, 6914, 32017, 64034, 349157, 698314, 1095869, 2191738, 110682769, 221365538]

約数ペア:

[(1, 221365538), (2, 110682769), (101, 2191738), (202, 1095869), (317, 698314), (634, 349157), (3457, 64034), (6914, 32017)]