31409448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 95723520

約数和(自身を除く): 64314072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 37, 42, 56, 62, 74, 84, 93, 111, 124, 148, 163, 168, 186, 217, 222, 248, 259, 296, 326, 372, 434, 444, 489, 518, 651, 652, 744, 777, 868, 888, 978, 1036, 1141, 1147, 1302, 1304, 1554, 1736, 1956, 2072, 2282, 2294, 2604, 3108, 3423, 3441, 3912, 4564, 4588, 5053, 5208, 6031, 6216, 6846, 6882, 8029, 9128, 9176, 10106, 12062, 13692, 13764, 15159, 16058, 18093, 20212, 24087, 24124, 27384, 27528, 30318, 32116, 35371, 36186, 40424, 42217, 48174, 48248, 60636, 64232, 70742, 72372, 84434, 96348, 106113, 121272, 126651, 141484, 144744, 168868, 186961, 192696, 212226, 253302, 282968, 337736, 373922, 424452, 506604, 560883, 747844, 848904, 1013208, 1121766, 1308727, 1495688, 2243532, 2617454, 3926181, 4487064, 5234908, 7852362, 10469816, 15704724, 31409448]

約数ペア:

[(1, 31409448), (2, 15704724), (3, 10469816), (4, 7852362), (6, 5234908), (7, 4487064), (8, 3926181), (12, 2617454), (14, 2243532), (21, 1495688), (24, 1308727), (28, 1121766), (31, 1013208), (37, 848904), (42, 747844), (56, 560883), (62, 506604), (74, 424452), (84, 373922), (93, 337736), (111, 282968), (124, 253302), (148, 212226), (163, 192696), (168, 186961), (186, 168868), (217, 144744), (222, 141484), (248, 126651), (259, 121272), (296, 106113), (326, 96348), (372, 84434), (434, 72372), (444, 70742), (489, 64232), (518, 60636), (651, 48248), (652, 48174), (744, 42217), (777, 40424), (868, 36186), (888, 35371), (978, 32116), (1036, 30318), (1141, 27528), (1147, 27384), (1302, 24124), (1304, 24087), (1554, 20212), (1736, 18093), (1956, 16058), (2072, 15159), (2282, 13764), (2294, 13692), (2604, 12062), (3108, 10106), (3423, 9176), (3441, 9128), (3912, 8029), (4564, 6882), (4588, 6846), (5053, 6216), (5208, 6031)]