31493945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 46884096

約数和(自身を除く): 15390151

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 595, 697, 1291, 1435, 3485, 4879, 6455, 9037, 21947, 24395, 45185, 52931, 109735, 153629, 264655, 370517, 768145, 899827, 1852585, 4499135, 6298789, 31493945]

約数ペア:

[(1, 31493945), (5, 6298789), (7, 4499135), (17, 1852585), (35, 899827), (41, 768145), (85, 370517), (119, 264655), (205, 153629), (287, 109735), (595, 52931), (697, 45185), (1291, 24395), (1435, 21947), (3485, 9037), (4879, 6455)]