289360904

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{70783}}^1$

素因数の和:70869

約数の個数: 32

約数和(自身を含む): 628561920

約数和(自身を除く): 339201016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 70783, 141566, 283132, 495481, 566264, 990962, 1981924, 3963848, 5167159, 10334318, 20668636, 36170113, 41337272, 72340226, 144680452, 289360904]

約数ペア:

[(1, 289360904), (2, 144680452), (4, 72340226), (7, 41337272), (8, 36170113), (14, 20668636), (28, 10334318), (56, 5167159), (73, 3963848), (146, 1981924), (292, 990962), (511, 566264), (584, 495481), (1022, 283132), (2044, 141566), (4088, 70783)]