258804944

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{265169}}^1$

素因数の和:265238

約数の個数: 20

約数和(自身を含む): 509656740

約数和(自身を除く): 250851796

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 265169, 530338, 1060676, 2121352, 4242704, 16175309, 32350618, 64701236, 129402472, 258804944]

約数ペア:

[(1, 258804944), (2, 129402472), (4, 64701236), (8, 32350618), (16, 16175309), (61, 4242704), (122, 2121352), (244, 1060676), (488, 530338), (976, 265169)]