158784890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{2089}}^1$

素因数の和:2798

約数の個数: 32

約数和(自身を含む): 312396480

約数和(自身を除く): 153611590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 691, 1382, 2089, 3455, 4178, 6910, 7601, 10445, 15202, 20890, 22979, 38005, 45958, 76010, 114895, 229790, 1443499, 2886998, 7217495, 14434990, 15878489, 31756978, 79392445, 158784890]

約数ペア:

[(1, 158784890), (2, 79392445), (5, 31756978), (10, 15878489), (11, 14434990), (22, 7217495), (55, 2886998), (110, 1443499), (691, 229790), (1382, 114895), (2089, 76010), (3455, 45958), (4178, 38005), (6910, 22979), (7601, 20890), (10445, 15202)]