31390848

素因数分解:

$2^7\times 3^3\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 95961600

約数和(自身を除く): 64570752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 128, 144, 186, 192, 216, 248, 279, 288, 293, 372, 384, 432, 496, 558, 576, 586, 744, 837, 864, 879, 992, 1116, 1152, 1172, 1488, 1674, 1728, 1758, 1984, 2232, 2344, 2637, 2976, 3348, 3456, 3516, 3968, 4464, 4688, 5274, 5952, 6696, 7032, 7911, 8928, 9083, 9376, 10548, 11904, 13392, 14064, 15822, 17856, 18166, 18752, 21096, 26784, 27249, 28128, 31644, 35712, 36332, 37504, 42192, 53568, 54498, 56256, 63288, 72664, 81747, 84384, 107136, 108996, 112512, 126576, 145328, 163494, 168768, 217992, 245241, 253152, 290656, 326988, 337536, 435984, 490482, 506304, 581312, 653976, 871968, 980964, 1012608, 1162624, 1307952, 1743936, 1961928, 2615904, 3487872, 3923856, 5231808, 7847712, 10463616, 15695424, 31390848]

約数ペア:

[(1, 31390848), (2, 15695424), (3, 10463616), (4, 7847712), (6, 5231808), (8, 3923856), (9, 3487872), (12, 2615904), (16, 1961928), (18, 1743936), (24, 1307952), (27, 1162624), (31, 1012608), (32, 980964), (36, 871968), (48, 653976), (54, 581312), (62, 506304), (64, 490482), (72, 435984), (93, 337536), (96, 326988), (108, 290656), (124, 253152), (128, 245241), (144, 217992), (186, 168768), (192, 163494), (216, 145328), (248, 126576), (279, 112512), (288, 108996), (293, 107136), (372, 84384), (384, 81747), (432, 72664), (496, 63288), (558, 56256), (576, 54498), (586, 53568), (744, 42192), (837, 37504), (864, 36332), (879, 35712), (992, 31644), (1116, 28128), (1152, 27249), (1172, 26784), (1488, 21096), (1674, 18752), (1728, 18166), (1758, 17856), (1984, 15822), (2232, 14064), (2344, 13392), (2637, 11904), (2976, 10548), (3348, 9376), (3456, 9083), (3516, 8928), (3968, 7911), (4464, 7032), (4688, 6696), (5274, 5952)]