208819908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31019}}^1$

素因数の和:31057

約数の個数: 72

約数和(自身を含む): 609729120

約数和(自身を除く): 400909212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 132, 153, 187, 198, 204, 306, 374, 396, 561, 612, 748, 1122, 1683, 2244, 3366, 6732, 31019, 62038, 93057, 124076, 186114, 279171, 341209, 372228, 527323, 558342, 682418, 1023627, 1054646, 1116684, 1364836, 1581969, 2047254, 2109292, 3070881, 3163938, 4094508, 4745907, 5800553, 6141762, 6327876, 9491814, 11601106, 12283524, 17401659, 18983628, 23202212, 34803318, 52204977, 69606636, 104409954, 208819908]

約数ペア:

[(1, 208819908), (2, 104409954), (3, 69606636), (4, 52204977), (6, 34803318), (9, 23202212), (11, 18983628), (12, 17401659), (17, 12283524), (18, 11601106), (22, 9491814), (33, 6327876), (34, 6141762), (36, 5800553), (44, 4745907), (51, 4094508), (66, 3163938), (68, 3070881), (99, 2109292), (102, 2047254), (132, 1581969), (153, 1364836), (187, 1116684), (198, 1054646), (204, 1023627), (306, 682418), (374, 558342), (396, 527323), (561, 372228), (612, 341209), (748, 279171), (1122, 186114), (1683, 124076), (2244, 93057), (3366, 62038), (6732, 31019)]