31391568

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 97155240

約数和(自身を除く): 65763672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 41, 48, 52, 72, 78, 82, 104, 117, 123, 144, 156, 164, 208, 234, 246, 312, 328, 369, 409, 468, 492, 533, 624, 656, 738, 818, 936, 984, 1066, 1227, 1476, 1599, 1636, 1872, 1968, 2132, 2454, 2952, 3198, 3272, 3681, 4264, 4797, 4908, 5317, 5904, 6396, 6544, 7362, 8528, 9594, 9816, 10634, 12792, 14724, 15951, 16769, 19188, 19632, 21268, 25584, 29448, 31902, 33538, 38376, 42536, 47853, 50307, 58896, 63804, 67076, 76752, 85072, 95706, 100614, 127608, 134152, 150921, 191412, 201228, 217997, 255216, 268304, 301842, 382824, 402456, 435994, 603684, 653991, 765648, 804912, 871988, 1207368, 1307982, 1743976, 1961973, 2414736, 2615964, 3487952, 3923946, 5231928, 7847892, 10463856, 15695784, 31391568]

約数ペア:

[(1, 31391568), (2, 15695784), (3, 10463856), (4, 7847892), (6, 5231928), (8, 3923946), (9, 3487952), (12, 2615964), (13, 2414736), (16, 1961973), (18, 1743976), (24, 1307982), (26, 1207368), (36, 871988), (39, 804912), (41, 765648), (48, 653991), (52, 603684), (72, 435994), (78, 402456), (82, 382824), (104, 301842), (117, 268304), (123, 255216), (144, 217997), (156, 201228), (164, 191412), (208, 150921), (234, 134152), (246, 127608), (312, 100614), (328, 95706), (369, 85072), (409, 76752), (468, 67076), (492, 63804), (533, 58896), (624, 50307), (656, 47853), (738, 42536), (818, 38376), (936, 33538), (984, 31902), (1066, 29448), (1227, 25584), (1476, 21268), (1599, 19632), (1636, 19188), (1872, 16769), (1968, 15951), (2132, 14724), (2454, 12792), (2952, 10634), (3198, 9816), (3272, 9594), (3681, 8528), (4264, 7362), (4797, 6544), (4908, 6396), (5317, 5904)]