31403868

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 49881252

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 41, 58, 62, 71, 82, 87, 93, 116, 123, 124, 142, 164, 174, 186, 213, 246, 284, 348, 372, 426, 492, 852, 899, 1189, 1271, 1798, 2059, 2201, 2378, 2542, 2697, 2911, 3567, 3596, 3813, 4118, 4402, 4756, 5084, 5394, 5822, 6177, 6603, 7134, 7626, 8236, 8733, 8804, 10788, 11644, 12354, 13206, 14268, 15252, 17466, 24708, 26412, 34932, 36859, 63829, 73718, 84419, 90241, 110577, 127658, 147436, 168838, 180482, 191487, 221154, 253257, 255316, 270723, 337676, 360964, 382974, 442308, 506514, 541446, 765948, 1013028, 1082892, 2616989, 5233978, 7850967, 10467956, 15701934, 31403868]

約数ペア:

[(1, 31403868), (2, 15701934), (3, 10467956), (4, 7850967), (6, 5233978), (12, 2616989), (29, 1082892), (31, 1013028), (41, 765948), (58, 541446), (62, 506514), (71, 442308), (82, 382974), (87, 360964), (93, 337676), (116, 270723), (123, 255316), (124, 253257), (142, 221154), (164, 191487), (174, 180482), (186, 168838), (213, 147436), (246, 127658), (284, 110577), (348, 90241), (372, 84419), (426, 73718), (492, 63829), (852, 36859), (899, 34932), (1189, 26412), (1271, 24708), (1798, 17466), (2059, 15252), (2201, 14268), (2378, 13206), (2542, 12354), (2697, 11644), (2911, 10788), (3567, 8804), (3596, 8733), (3813, 8236), (4118, 7626), (4402, 7134), (4756, 6603), (5084, 6177), (5394, 5822)]