258838530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{278321}}^1$

素因数の和:278362

約数の個数: 32

約数和(自身を含む): 641253888

約数和(自身を除く): 382415358

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 278321, 556642, 834963, 1391605, 1669926, 2783210, 4174815, 8349630, 8627951, 17255902, 25883853, 43139755, 51767706, 86279510, 129419265, 258838530]

約数ペア:

[(1, 258838530), (2, 129419265), (3, 86279510), (5, 51767706), (6, 43139755), (10, 25883853), (15, 17255902), (30, 8627951), (31, 8349630), (62, 4174815), (93, 2783210), (155, 1669926), (186, 1391605), (310, 834963), (465, 556642), (930, 278321)]