71789928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1291}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 205893120

約数和(自身を除く): 134103192

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 331, 662, 993, 1291, 1324, 1986, 2317, 2582, 2648, 3873, 3972, 4634, 5164, 6951, 7746, 7944, 9037, 9268, 10328, 13902, 15492, 18074, 18536, 27111, 27804, 30984, 36148, 54222, 55608, 72296, 108444, 216888, 427321, 854642, 1281963, 1709284, 2563926, 2991247, 3418568, 5127852, 5982494, 8973741, 10255704, 11964988, 17947482, 23929976, 35894964, 71789928]

約数ペア:

[(1, 71789928), (2, 35894964), (3, 23929976), (4, 17947482), (6, 11964988), (7, 10255704), (8, 8973741), (12, 5982494), (14, 5127852), (21, 3418568), (24, 2991247), (28, 2563926), (42, 1709284), (56, 1281963), (84, 854642), (168, 427321), (331, 216888), (662, 108444), (993, 72296), (1291, 55608), (1324, 54222), (1986, 36148), (2317, 30984), (2582, 27804), (2648, 27111), (3873, 18536), (3972, 18074), (4634, 15492), (5164, 13902), (6951, 10328), (7746, 9268), (7944, 9037)]