31041972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3491}}^1$

素因数の和:3533

約数の個数: 72

約数和(自身を含む): 88976160

約数和(自身を除く): 57934188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3491, 4446, 6982, 8892, 10473, 13964, 20946, 31419, 41892, 45383, 62838, 66329, 90766, 125676, 132658, 136149, 181532, 198987, 265316, 272298, 397974, 408447, 544596, 596961, 795948, 816894, 862277, 1193922, 1633788, 1724554, 2387844, 2586831, 3449108, 5173662, 7760493, 10347324, 15520986, 31041972]

約数ペア:

[(1, 31041972), (2, 15520986), (3, 10347324), (4, 7760493), (6, 5173662), (9, 3449108), (12, 2586831), (13, 2387844), (18, 1724554), (19, 1633788), (26, 1193922), (36, 862277), (38, 816894), (39, 795948), (52, 596961), (57, 544596), (76, 408447), (78, 397974), (114, 272298), (117, 265316), (156, 198987), (171, 181532), (228, 136149), (234, 132658), (247, 125676), (342, 90766), (468, 66329), (494, 62838), (684, 45383), (741, 41892), (988, 31419), (1482, 20946), (2223, 13964), (2964, 10473), (3491, 8892), (4446, 6982)]