678996968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4481}}^1$

素因数の和:4578

約数の個数: 64

約数和(自身を含む): 1445713920

約数和(自身を除く): 766716952

約数列:

[1, 2, 4, 8, 13, 26, 31, 47, 52, 62, 94, 104, 124, 188, 248, 376, 403, 611, 806, 1222, 1457, 1612, 2444, 2914, 3224, 4481, 4888, 5828, 8962, 11656, 17924, 18941, 35848, 37882, 58253, 75764, 116506, 138911, 151528, 210607, 233012, 277822, 421214, 466024, 555644, 842428, 1111288, 1684856, 1805843, 2737891, 3611686, 5475782, 6528817, 7223372, 10951564, 13057634, 14446744, 21903128, 26115268, 52230536, 84874621, 169749242, 339498484, 678996968]

約数ペア:

[(1, 678996968), (2, 339498484), (4, 169749242), (8, 84874621), (13, 52230536), (26, 26115268), (31, 21903128), (47, 14446744), (52, 13057634), (62, 10951564), (94, 7223372), (104, 6528817), (124, 5475782), (188, 3611686), (248, 2737891), (376, 1805843), (403, 1684856), (611, 1111288), (806, 842428), (1222, 555644), (1457, 466024), (1612, 421214), (2444, 277822), (2914, 233012), (3224, 210607), (4481, 151528), (4888, 138911), (5828, 116506), (8962, 75764), (11656, 58253), (17924, 37882), (18941, 35848)]