644217084

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{852139}}^1$

素因数の和:852159

約数の個数: 48

約数和(自身を含む): 1908793600

約数和(自身を除く): 1264576516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 852139, 1704278, 2556417, 3408556, 5112834, 5964973, 7669251, 10225668, 11929946, 15338502, 17894919, 23007753, 23859892, 30677004, 35789838, 46015506, 53684757, 71579676, 92031012, 107369514, 161054271, 214739028, 322108542, 644217084]

約数ペア:

[(1, 644217084), (2, 322108542), (3, 214739028), (4, 161054271), (6, 107369514), (7, 92031012), (9, 71579676), (12, 53684757), (14, 46015506), (18, 35789838), (21, 30677004), (27, 23859892), (28, 23007753), (36, 17894919), (42, 15338502), (54, 11929946), (63, 10225668), (84, 7669251), (108, 5964973), (126, 5112834), (189, 3408556), (252, 2556417), (378, 1704278), (756, 852139)]