31307526

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 72441600

約数和(自身を除く): 41134074

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 97, 129, 139, 194, 258, 278, 291, 387, 417, 582, 774, 834, 873, 1161, 1251, 1746, 2322, 2502, 2619, 3753, 4171, 5238, 5977, 7506, 8342, 11954, 12513, 13483, 17931, 25026, 26966, 35862, 37539, 40449, 53793, 75078, 80898, 107586, 112617, 121347, 161379, 225234, 242694, 322758, 364041, 579769, 728082, 1159538, 1739307, 3478614, 5217921, 10435842, 15653763, 31307526]

約数ペア:

[(1, 31307526), (2, 15653763), (3, 10435842), (6, 5217921), (9, 3478614), (18, 1739307), (27, 1159538), (43, 728082), (54, 579769), (86, 364041), (97, 322758), (129, 242694), (139, 225234), (194, 161379), (258, 121347), (278, 112617), (291, 107586), (387, 80898), (417, 75078), (582, 53793), (774, 40449), (834, 37539), (873, 35862), (1161, 26966), (1251, 25026), (1746, 17931), (2322, 13483), (2502, 12513), (2619, 11954), (3753, 8342), (4171, 7506), (5238, 5977)]