81979430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4603}}^1$

素因数の和:4760

約数の個数: 32

約数和(自身を含む): 160108704

約数和(自身を除く): 78129274

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1781, 3562, 4603, 8905, 9206, 17810, 23015, 46030, 59839, 119678, 299195, 598390, 630611, 1261222, 3153055, 6306110, 8197943, 16395886, 40989715, 81979430]

約数ペア:

[(1, 81979430), (2, 40989715), (5, 16395886), (10, 8197943), (13, 6306110), (26, 3153055), (65, 1261222), (130, 630611), (137, 598390), (274, 299195), (685, 119678), (1370, 59839), (1781, 46030), (3562, 23015), (4603, 17810), (8905, 9206)]