400527608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1356

約数の個数: 64

約数和(自身を含む): 838978560

約数和(自身を除く): 438450952

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 67, 94, 104, 134, 188, 268, 376, 536, 611, 871, 1222, 1223, 1742, 2444, 2446, 3149, 3484, 4888, 4892, 6298, 6968, 9784, 12596, 15899, 25192, 31798, 40937, 57481, 63596, 81874, 81941, 114962, 127192, 163748, 163882, 229924, 327496, 327764, 459848, 655528, 747253, 1065233, 1494506, 2130466, 2989012, 3851227, 4260932, 5978024, 7702454, 8521864, 15404908, 30809816, 50065951, 100131902, 200263804, 400527608]

約数ペア:

[(1, 400527608), (2, 200263804), (4, 100131902), (8, 50065951), (13, 30809816), (26, 15404908), (47, 8521864), (52, 7702454), (67, 5978024), (94, 4260932), (104, 3851227), (134, 2989012), (188, 2130466), (268, 1494506), (376, 1065233), (536, 747253), (611, 655528), (871, 459848), (1222, 327764), (1223, 327496), (1742, 229924), (2444, 163882), (2446, 163748), (3149, 127192), (3484, 114962), (4888, 81941), (4892, 81874), (6298, 63596), (6968, 57481), (9784, 40937), (12596, 31798), (15899, 25192)]