7869890898

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^2\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1292

約数の個数: 72

約数和(自身を含む): 17591186340

約数和(自身を除く): 9721295442

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 389, 666, 778, 821, 1167, 1369, 1642, 2334, 2463, 2738, 3501, 4107, 4926, 7002, 7389, 8214, 12321, 14393, 14778, 24642, 28786, 30377, 43179, 60754, 86358, 91131, 129537, 182262, 259074, 273393, 319369, 532541, 546786, 638738, 958107, 1065082, 1123949, 1597623, 1916214, 2247898, 2874321, 3195246, 3371847, 4792869, 5748642, 6743694, 9585738, 10115541, 11816653, 20231082, 23633306, 35449959, 70899918, 106349877, 212699754, 437216161, 874432322, 1311648483, 2623296966, 3934945449, 7869890898]

約数ペア:

[(1, 7869890898), (2, 3934945449), (3, 2623296966), (6, 1311648483), (9, 874432322), (18, 437216161), (37, 212699754), (74, 106349877), (111, 70899918), (222, 35449959), (333, 23633306), (389, 20231082), (666, 11816653), (778, 10115541), (821, 9585738), (1167, 6743694), (1369, 5748642), (1642, 4792869), (2334, 3371847), (2463, 3195246), (2738, 2874321), (3501, 2247898), (4107, 1916214), (4926, 1597623), (7002, 1123949), (7389, 1065082), (8214, 958107), (12321, 638738), (14393, 546786), (14778, 532541), (24642, 319369), (28786, 273393), (30377, 259074), (43179, 182262), (60754, 129537), (86358, 91131)]