489755318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{919}}^1$

素因数の和:1236

約数の個数: 32

約数和(自身を含む): 803712000

約数和(自身を除く): 313956682

約数列:

[1, 2, 13, 26, 103, 199, 206, 398, 919, 1339, 1838, 2587, 2678, 5174, 11947, 20497, 23894, 40994, 94657, 182881, 189314, 266461, 365762, 532922, 1230541, 2377453, 2461082, 4754906, 18836743, 37673486, 244877659, 489755318]

約数ペア:

[(1, 489755318), (2, 244877659), (13, 37673486), (26, 18836743), (103, 4754906), (199, 2461082), (206, 2377453), (398, 1230541), (919, 532922), (1339, 365762), (1838, 266461), (2587, 189314), (2678, 182881), (5174, 94657), (11947, 40994), (20497, 23894)]