65981984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2309}}^1$

素因数の和:2385

約数の個数: 48

約数和(自身を含む): 139708800

約数和(自身を除く): 73726816

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 1504, 1786, 2309, 3572, 4618, 7144, 9236, 14288, 18472, 28576, 36944, 43871, 73888, 87742, 108523, 175484, 217046, 350968, 434092, 701936, 868184, 1403872, 1736368, 2061937, 3472736, 4123874, 8247748, 16495496, 32990992, 65981984]

約数ペア:

[(1, 65981984), (2, 32990992), (4, 16495496), (8, 8247748), (16, 4123874), (19, 3472736), (32, 2061937), (38, 1736368), (47, 1403872), (76, 868184), (94, 701936), (152, 434092), (188, 350968), (304, 217046), (376, 175484), (608, 108523), (752, 87742), (893, 73888), (1504, 43871), (1786, 36944), (2309, 28576), (3572, 18472), (4618, 14288), (7144, 9236)]