31904495

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 49066560

約数和(自身を除く): 17162065

約数列:

[1, 5, 7, 17, 29, 35, 43, 85, 119, 145, 203, 215, 301, 493, 595, 731, 1015, 1247, 1505, 1849, 2465, 3451, 3655, 5117, 6235, 8729, 9245, 12943, 17255, 21199, 25585, 31433, 43645, 53621, 64715, 105995, 148393, 157165, 220031, 268105, 375347, 741965, 911557, 1100155, 1876735, 4557785, 6380899, 31904495]

約数ペア:

[(1, 31904495), (5, 6380899), (7, 4557785), (17, 1876735), (29, 1100155), (35, 911557), (43, 741965), (85, 375347), (119, 268105), (145, 220031), (203, 157165), (215, 148393), (301, 105995), (493, 64715), (595, 53621), (731, 43645), (1015, 31433), (1247, 25585), (1505, 21199), (1849, 17255), (2465, 12943), (3451, 9245), (3655, 8729), (5117, 6235)]