1990291356

素因数分解:

$2^2\times 3^2\times {\mathrm{4451}}^1\times {\mathrm{12421}}^1$

素因数の和:16882

約数の個数: 36

約数和(自身を含む): 5032549704

約数和(自身を除く): 3042258348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 4451, 8902, 12421, 13353, 17804, 24842, 26706, 37263, 40059, 49684, 53412, 74526, 80118, 111789, 149052, 160236, 223578, 447156, 55285871, 110571742, 165857613, 221143484, 331715226, 497572839, 663430452, 995145678, 1990291356]

約数ペア:

[(1, 1990291356), (2, 995145678), (3, 663430452), (4, 497572839), (6, 331715226), (9, 221143484), (12, 165857613), (18, 110571742), (36, 55285871), (4451, 447156), (8902, 223578), (12421, 160236), (13353, 149052), (17804, 111789), (24842, 80118), (26706, 74526), (37263, 53412), (40059, 49684)]