205124944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{210169}}^1$

素因数の和:210238

約数の個数: 20

約数和(自身を含む): 403946740

約数和(自身を除く): 198821796

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 210169, 420338, 840676, 1681352, 3362704, 12820309, 25640618, 51281236, 102562472, 205124944]

約数ペア:

[(1, 205124944), (2, 102562472), (4, 51281236), (8, 25640618), (16, 12820309), (61, 3362704), (122, 1681352), (244, 840676), (488, 420338), (976, 210169)]