31988904

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 82790400

約数和(自身を除く): 50801496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 139, 172, 223, 258, 278, 344, 417, 446, 516, 556, 669, 834, 892, 1032, 1112, 1338, 1668, 1784, 2676, 3336, 5352, 5977, 9589, 11954, 17931, 19178, 23908, 28767, 30997, 35862, 38356, 47816, 57534, 61994, 71724, 76712, 92991, 115068, 123988, 143448, 185982, 230136, 247976, 371964, 743928, 1332871, 2665742, 3998613, 5331484, 7997226, 10662968, 15994452, 31988904]

約数ペア:

[(1, 31988904), (2, 15994452), (3, 10662968), (4, 7997226), (6, 5331484), (8, 3998613), (12, 2665742), (24, 1332871), (43, 743928), (86, 371964), (129, 247976), (139, 230136), (172, 185982), (223, 143448), (258, 123988), (278, 115068), (344, 92991), (417, 76712), (446, 71724), (516, 61994), (556, 57534), (669, 47816), (834, 38356), (892, 35862), (1032, 30997), (1112, 28767), (1338, 23908), (1668, 19178), (1784, 17931), (2676, 11954), (3336, 9589), (5352, 5977)]