31918110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{21713}}^1$

素因数の和:21737

約数の個数: 48

約数和(自身を含む): 89114256

約数和(自身を除く): 57196146

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 21713, 43426, 65139, 108565, 130278, 151991, 217130, 303982, 325695, 455973, 651390, 759955, 911946, 1063937, 1519910, 2127874, 2279865, 3191811, 4559730, 5319685, 6383622, 10639370, 15959055, 31918110]

約数ペア:

[(1, 31918110), (2, 15959055), (3, 10639370), (5, 6383622), (6, 5319685), (7, 4559730), (10, 3191811), (14, 2279865), (15, 2127874), (21, 1519910), (30, 1063937), (35, 911946), (42, 759955), (49, 651390), (70, 455973), (98, 325695), (105, 303982), (147, 217130), (210, 151991), (245, 130278), (294, 108565), (490, 65139), (735, 43426), (1470, 21713)]