121220912

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:754

約数の個数: 60

約数和(自身を含む): 256251456

約数和(自身を除く): 135030544

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 361, 496, 589, 677, 722, 1178, 1354, 1444, 2356, 2708, 2888, 4712, 5416, 5776, 9424, 10832, 11191, 12863, 20987, 22382, 25726, 41974, 44764, 51452, 83948, 89528, 102904, 167896, 179056, 205808, 244397, 335792, 398753, 488794, 797506, 977588, 1595012, 1955176, 3190024, 3910352, 6380048, 7576307, 15152614, 30305228, 60610456, 121220912]

約数ペア:

[(1, 121220912), (2, 60610456), (4, 30305228), (8, 15152614), (16, 7576307), (19, 6380048), (31, 3910352), (38, 3190024), (62, 1955176), (76, 1595012), (124, 977588), (152, 797506), (248, 488794), (304, 398753), (361, 335792), (496, 244397), (589, 205808), (677, 179056), (722, 167896), (1178, 102904), (1354, 89528), (1444, 83948), (2356, 51452), (2708, 44764), (2888, 41974), (4712, 25726), (5416, 22382), (5776, 20987), (9424, 12863), (10832, 11191)]