31891188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 90431488

約数和(自身を除く): 58540300

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 37, 42, 62, 74, 84, 93, 111, 124, 148, 186, 217, 222, 259, 331, 372, 434, 444, 518, 651, 662, 777, 868, 993, 1036, 1147, 1302, 1324, 1554, 1986, 2294, 2317, 2604, 3108, 3441, 3972, 4588, 4634, 6882, 6951, 8029, 9268, 10261, 12247, 13764, 13902, 16058, 20522, 24087, 24494, 27804, 30783, 32116, 36741, 41044, 48174, 48988, 61566, 71827, 73482, 85729, 96348, 123132, 143654, 146964, 171458, 215481, 257187, 287308, 342916, 379657, 430962, 514374, 759314, 861924, 1028748, 1138971, 1518628, 2277942, 2657599, 4555884, 5315198, 7972797, 10630396, 15945594, 31891188]

約数ペア:

[(1, 31891188), (2, 15945594), (3, 10630396), (4, 7972797), (6, 5315198), (7, 4555884), (12, 2657599), (14, 2277942), (21, 1518628), (28, 1138971), (31, 1028748), (37, 861924), (42, 759314), (62, 514374), (74, 430962), (84, 379657), (93, 342916), (111, 287308), (124, 257187), (148, 215481), (186, 171458), (217, 146964), (222, 143654), (259, 123132), (331, 96348), (372, 85729), (434, 73482), (444, 71827), (518, 61566), (651, 48988), (662, 48174), (777, 41044), (868, 36741), (993, 32116), (1036, 30783), (1147, 27804), (1302, 24494), (1324, 24087), (1554, 20522), (1986, 16058), (2294, 13902), (2317, 13764), (2604, 12247), (3108, 10261), (3441, 9268), (3972, 8029), (4588, 6951), (4634, 6882)]