215302684

素因数分解:

$2^2\times {\mathrm{313}}^1\times {\mathrm{383}}^1\times {\mathrm{449}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 379814400

約数和(自身を除く): 164511716

約数列:

[1, 2, 4, 313, 383, 449, 626, 766, 898, 1252, 1532, 1796, 119879, 140537, 171967, 239758, 281074, 343934, 479516, 562148, 687868, 53825671, 107651342, 215302684]

約数ペア:

[(1, 215302684), (2, 107651342), (4, 53825671), (313, 687868), (383, 562148), (449, 479516), (626, 343934), (766, 281074), (898, 239758), (1252, 171967), (1532, 140537), (1796, 119879)]