857817392

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{678653}}^1$

素因数の和:678740

約数の個数: 20

約数和(自身を含む): 1683061920

約数和(自身を除く): 825244528

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 678653, 1357306, 2714612, 5429224, 10858448, 53613587, 107227174, 214454348, 428908696, 857817392]

約数ペア:

[(1, 857817392), (2, 428908696), (4, 214454348), (8, 107227174), (16, 53613587), (79, 10858448), (158, 5429224), (316, 2714612), (632, 1357306), (1264, 678653)]