25560244

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 48816768

約数和(自身を除く): 23256524

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 361, 571, 589, 722, 1142, 1178, 1444, 2284, 2356, 10849, 11191, 17701, 21698, 22382, 35402, 43396, 44764, 70804, 206131, 336319, 412262, 672638, 824524, 1345276, 6390061, 12780122, 25560244]

約数ペア:

[(1, 25560244), (2, 12780122), (4, 6390061), (19, 1345276), (31, 824524), (38, 672638), (62, 412262), (76, 336319), (124, 206131), (361, 70804), (571, 44764), (589, 43396), (722, 35402), (1142, 22382), (1178, 21698), (1444, 17701), (2284, 11191), (2356, 10849)]