768664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 1638000

約数和(自身を除く): 869336

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 389, 494, 778, 988, 1556, 1976, 3112, 5057, 7391, 10114, 14782, 20228, 29564, 40456, 59128, 96083, 192166, 384332, 768664]

約数ペア:

[(1, 768664), (2, 384332), (4, 192166), (8, 96083), (13, 59128), (19, 40456), (26, 29564), (38, 20228), (52, 14782), (76, 10114), (104, 7391), (152, 5057), (247, 3112), (389, 1976), (494, 1556), (778, 988)]