394112845

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 557568000

約数和(自身を除く): 163455155

約数列:

[1, 5, 7, 35, 43, 131, 215, 301, 655, 917, 1505, 1999, 4585, 5633, 9995, 13993, 28165, 39431, 69965, 85957, 197155, 261869, 429785, 601699, 1309345, 1833083, 3008495, 9165415, 11260367, 56301835, 78822569, 394112845]

約数ペア:

[(1, 394112845), (5, 78822569), (7, 56301835), (35, 11260367), (43, 9165415), (131, 3008495), (215, 1833083), (301, 1309345), (655, 601699), (917, 429785), (1505, 261869), (1999, 197155), (4585, 85957), (5633, 69965), (9995, 39431), (13993, 28165)]