257435530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{12253}}^1$

素因数の和:12462

約数の個数: 32

約数和(自身を含む): 508197888

約数和(自身を除く): 250762358

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191, 382, 955, 1910, 2101, 4202, 10505, 12253, 21010, 24506, 61265, 122530, 134783, 269566, 673915, 1347830, 2340323, 4680646, 11701615, 23403230, 25743553, 51487106, 128717765, 257435530]

約数ペア:

[(1, 257435530), (2, 128717765), (5, 51487106), (10, 25743553), (11, 23403230), (22, 11701615), (55, 4680646), (110, 2340323), (191, 1347830), (382, 673915), (955, 269566), (1910, 134783), (2101, 122530), (4202, 61265), (10505, 24506), (12253, 21010)]