81319696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8629}}^1$

素因数の和:8687

約数の個数: 40

約数和(自身を含む): 171219200

約数和(自身を除く): 89899504

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 8629, 9424, 17258, 34516, 69032, 138064, 163951, 267499, 327902, 534998, 655804, 1069996, 1311608, 2139992, 2623216, 4279984, 5082481, 10164962, 20329924, 40659848, 81319696]

約数ペア:

[(1, 81319696), (2, 40659848), (4, 20329924), (8, 10164962), (16, 5082481), (19, 4279984), (31, 2623216), (38, 2139992), (62, 1311608), (76, 1069996), (124, 655804), (152, 534998), (248, 327902), (304, 267499), (496, 163951), (589, 138064), (1178, 69032), (2356, 34516), (4712, 17258), (8629, 9424)]