81713916

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 212874480

約数和(自身を除く): 131160564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 113, 159, 212, 226, 318, 339, 379, 452, 477, 636, 678, 758, 954, 1017, 1137, 1356, 1516, 1908, 2034, 2274, 3411, 4068, 4548, 5989, 6822, 11978, 13644, 17967, 20087, 23956, 35934, 40174, 42827, 53901, 60261, 71868, 80348, 85654, 107802, 120522, 128481, 171308, 180783, 215604, 241044, 256962, 361566, 385443, 513924, 723132, 770886, 1541772, 2269831, 4539662, 6809493, 9079324, 13618986, 20428479, 27237972, 40856958, 81713916]

約数ペア:

[(1, 81713916), (2, 40856958), (3, 27237972), (4, 20428479), (6, 13618986), (9, 9079324), (12, 6809493), (18, 4539662), (36, 2269831), (53, 1541772), (106, 770886), (113, 723132), (159, 513924), (212, 385443), (226, 361566), (318, 256962), (339, 241044), (379, 215604), (452, 180783), (477, 171308), (636, 128481), (678, 120522), (758, 107802), (954, 85654), (1017, 80348), (1137, 71868), (1356, 60261), (1516, 53901), (1908, 42827), (2034, 40174), (2274, 35934), (3411, 23956), (4068, 20087), (4548, 17967), (5989, 13644), (6822, 11978)]