219922486

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{77383}}^1$

素因数の和:77428

約数の個数: 24

約数和(自身を含む): 396979920

約数和(自身を除く): 177057434

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 77383, 154766, 541681, 1083362, 2244107, 3791767, 4488214, 7583534, 15708749, 31417498, 109961243, 219922486]

約数ペア:

[(1, 219922486), (2, 109961243), (7, 31417498), (14, 15708749), (29, 7583534), (49, 4488214), (58, 3791767), (98, 2244107), (203, 1083362), (406, 541681), (1421, 154766), (2842, 77383)]