1261288

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 2741760

約数和(自身を除く): 1480472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 223, 404, 446, 707, 808, 892, 1414, 1561, 1784, 2828, 3122, 5656, 6244, 12488, 22523, 45046, 90092, 157661, 180184, 315322, 630644, 1261288]

約数ペア:

[(1, 1261288), (2, 630644), (4, 315322), (7, 180184), (8, 157661), (14, 90092), (28, 45046), (56, 22523), (101, 12488), (202, 6244), (223, 5656), (404, 3122), (446, 2828), (707, 1784), (808, 1561), (892, 1414)]