28694908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{587}}^1$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 55837656

約数和(自身を除く): 27142748

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 404, 484, 587, 1111, 1174, 2222, 2348, 4444, 6457, 12221, 12914, 24442, 25828, 48884, 59287, 71027, 118574, 142054, 237148, 284108, 652157, 1304314, 2608628, 7173727, 14347454, 28694908]

約数ペア:

[(1, 28694908), (2, 14347454), (4, 7173727), (11, 2608628), (22, 1304314), (44, 652157), (101, 284108), (121, 237148), (202, 142054), (242, 118574), (404, 71027), (484, 59287), (587, 48884), (1111, 25828), (1174, 24442), (2222, 12914), (2348, 12221), (4444, 6457)]