640816098

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{222043}}^1$

素因数の和:222098

約数の個数: 32

約数和(自身を含む): 1417528896

約数和(自身を除く): 776712798

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 222043, 444086, 666129, 1332258, 2886559, 5773118, 8215591, 8659677, 16431182, 17319354, 24646773, 49293546, 106802683, 213605366, 320408049, 640816098]

約数ペア:

[(1, 640816098), (2, 320408049), (3, 213605366), (6, 106802683), (13, 49293546), (26, 24646773), (37, 17319354), (39, 16431182), (74, 8659677), (78, 8215591), (111, 5773118), (222, 2886559), (481, 1332258), (962, 666129), (1443, 444086), (2886, 222043)]