72788465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 94212096

約数和(自身を除く): 21423631

約数列:

[1, 5, 31, 43, 67, 155, 163, 215, 335, 815, 1333, 2077, 2881, 5053, 6665, 7009, 10385, 10921, 14405, 25265, 35045, 54605, 89311, 217279, 338551, 446555, 469603, 1086395, 1692755, 2348015, 14557693, 72788465]

約数ペア:

[(1, 72788465), (5, 14557693), (31, 2348015), (43, 1692755), (67, 1086395), (155, 469603), (163, 446555), (215, 338551), (335, 217279), (815, 89311), (1333, 54605), (2077, 35045), (2881, 25265), (5053, 14405), (6665, 10921), (7009, 10385)]