28931486

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{907}}^1$

素因数の和:1339

約数の個数: 16

約数和(自身を含む): 44619120

約数和(自身を除く): 15687634

約数列:

[1, 2, 41, 82, 389, 778, 907, 1814, 15949, 31898, 37187, 74374, 352823, 705646, 14465743, 28931486]

約数ペア:

[(1, 28931486), (2, 14465743), (41, 705646), (82, 352823), (389, 74374), (778, 37187), (907, 31898), (1814, 15949)]