12758810

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 23647680

約数和(自身を除く): 10888870

約数列:

[1, 2, 5, 10, 67, 134, 137, 139, 274, 278, 335, 670, 685, 695, 1370, 1390, 9179, 9313, 18358, 18626, 19043, 38086, 45895, 46565, 91790, 93130, 95215, 190430, 1275881, 2551762, 6379405, 12758810]

約数ペア:

[(1, 12758810), (2, 6379405), (5, 2551762), (10, 1275881), (67, 190430), (134, 95215), (137, 93130), (139, 91790), (274, 46565), (278, 45895), (335, 38086), (670, 19043), (685, 18626), (695, 18358), (1370, 9313), (1390, 9179)]