31812990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 83980800

約数和(自身を除く): 52167810

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 149, 165, 298, 330, 447, 647, 745, 894, 1294, 1490, 1639, 1941, 2235, 3235, 3278, 3882, 4470, 4917, 6470, 7117, 8195, 9705, 9834, 14234, 16390, 19410, 21351, 24585, 35585, 42702, 49170, 71170, 96403, 106755, 192806, 213510, 289209, 482015, 578418, 964030, 1060433, 1446045, 2120866, 2892090, 3181299, 5302165, 6362598, 10604330, 15906495, 31812990]

約数ペア:

[(1, 31812990), (2, 15906495), (3, 10604330), (5, 6362598), (6, 5302165), (10, 3181299), (11, 2892090), (15, 2120866), (22, 1446045), (30, 1060433), (33, 964030), (55, 578418), (66, 482015), (110, 289209), (149, 213510), (165, 192806), (298, 106755), (330, 96403), (447, 71170), (647, 49170), (745, 42702), (894, 35585), (1294, 24585), (1490, 21351), (1639, 19410), (1941, 16390), (2235, 14234), (3235, 9834), (3278, 9705), (3882, 8195), (4470, 7117), (4917, 6470)]