78636662

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 136080000

約数和(自身を除く): 57443338

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 1157, 1513, 1999, 2314, 3026, 3998, 19669, 25987, 33983, 39338, 51974, 67966, 177911, 355822, 441779, 883558, 2312843, 3024487, 4625686, 6048974, 39318331, 78636662]

約数ペア:

[(1, 78636662), (2, 39318331), (13, 6048974), (17, 4625686), (26, 3024487), (34, 2312843), (89, 883558), (178, 441779), (221, 355822), (442, 177911), (1157, 67966), (1513, 51974), (1999, 39338), (2314, 33983), (3026, 25987), (3998, 19669)]