397745530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{437083}}^1$

素因数の和:437110

約数の個数: 32

約数和(自身を含む): 881161344

約数和(自身を除く): 483415814

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 437083, 874166, 2185415, 3059581, 4370830, 5682079, 6119162, 11364158, 15297905, 28410395, 30595810, 39774553, 56820790, 79549106, 198872765, 397745530]

約数ペア:

[(1, 397745530), (2, 198872765), (5, 79549106), (7, 56820790), (10, 39774553), (13, 30595810), (14, 28410395), (26, 15297905), (35, 11364158), (65, 6119162), (70, 5682079), (91, 4370830), (130, 3059581), (182, 2185415), (455, 874166), (910, 437083)]