128575818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12917}}^1$

素因数の和:13011

約数の個数: 48

約数和(自身を含む): 322433280

約数和(自身を除く): 193857462

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 237, 474, 553, 711, 1106, 1422, 1659, 3318, 4977, 9954, 12917, 25834, 38751, 77502, 90419, 116253, 180838, 232506, 271257, 542514, 813771, 1020443, 1627542, 2040886, 3061329, 6122658, 7143101, 9183987, 14286202, 18367974, 21429303, 42858606, 64287909, 128575818]

約数ペア:

[(1, 128575818), (2, 64287909), (3, 42858606), (6, 21429303), (7, 18367974), (9, 14286202), (14, 9183987), (18, 7143101), (21, 6122658), (42, 3061329), (63, 2040886), (79, 1627542), (126, 1020443), (158, 813771), (237, 542514), (474, 271257), (553, 232506), (711, 180838), (1106, 116253), (1422, 90419), (1659, 77502), (3318, 38751), (4977, 25834), (9954, 12917)]