257585796

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1103}}^1$

素因数の和:1625

約数の個数: 72

約数和(自身を含む): 703248000

約数和(自身を除く): 445662204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 499, 998, 1103, 1497, 1996, 2206, 2994, 3309, 4412, 4491, 5988, 6487, 6618, 8982, 9927, 12974, 13236, 14339, 17964, 19461, 19854, 25948, 28678, 38922, 39708, 43017, 57356, 58383, 77844, 86034, 116766, 129051, 172068, 233532, 258102, 516204, 550397, 1100794, 1651191, 2201588, 3302382, 4953573, 6604764, 7155161, 9907146, 14310322, 19814292, 21465483, 28620644, 42930966, 64396449, 85861932, 128792898, 257585796]

約数ペア:

[(1, 257585796), (2, 128792898), (3, 85861932), (4, 64396449), (6, 42930966), (9, 28620644), (12, 21465483), (13, 19814292), (18, 14310322), (26, 9907146), (36, 7155161), (39, 6604764), (52, 4953573), (78, 3302382), (117, 2201588), (156, 1651191), (234, 1100794), (468, 550397), (499, 516204), (998, 258102), (1103, 233532), (1497, 172068), (1996, 129051), (2206, 116766), (2994, 86034), (3309, 77844), (4412, 58383), (4491, 57356), (5988, 43017), (6487, 39708), (6618, 38922), (8982, 28678), (9927, 25948), (12974, 19854), (13236, 19461), (14339, 17964)]