71780872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{289439}}^1$

素因数の和:289476

約数の個数: 16

約数和(自身を含む): 138931200

約数和(自身を除く): 67150328

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 289439, 578878, 1157756, 2315512, 8972609, 17945218, 35890436, 71780872]

約数ペア:

[(1, 71780872), (2, 35890436), (4, 17945218), (8, 8972609), (31, 2315512), (62, 1157756), (124, 578878), (248, 289439)]