198996944

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{691}}^1$

素因数の和:1179

約数の個数: 40

約数和(自身を含む): 396432960

約数和(自身を除く): 197436016

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 439, 656, 691, 878, 1382, 1756, 2764, 3512, 5528, 7024, 11056, 17999, 28331, 35998, 56662, 71996, 113324, 143992, 226648, 287984, 303349, 453296, 606698, 1213396, 2426792, 4853584, 12437309, 24874618, 49749236, 99498472, 198996944]

約数ペア:

[(1, 198996944), (2, 99498472), (4, 49749236), (8, 24874618), (16, 12437309), (41, 4853584), (82, 2426792), (164, 1213396), (328, 606698), (439, 453296), (656, 303349), (691, 287984), (878, 226648), (1382, 143992), (1756, 113324), (2764, 71996), (3512, 56662), (5528, 35998), (7024, 28331), (11056, 17999)]