1627996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 3100160

約数和(自身を除く): 1472164

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 691, 1178, 1382, 2356, 2764, 13129, 21421, 26258, 42842, 52516, 85684, 406999, 813998, 1627996]

約数ペア:

[(1, 1627996), (2, 813998), (4, 406999), (19, 85684), (31, 52516), (38, 42842), (62, 26258), (76, 21421), (124, 13129), (589, 2764), (691, 2356), (1178, 1382)]