190966321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 268531200

約数和(自身を除く): 77564879

約数列:

[1, 7, 13, 17, 19, 73, 89, 91, 119, 133, 221, 247, 323, 511, 623, 949, 1157, 1241, 1387, 1513, 1547, 1691, 1729, 2261, 4199, 6497, 6643, 8099, 8687, 9709, 10591, 11837, 16133, 18031, 19669, 21983, 23579, 28747, 29393, 45479, 84461, 110449, 112931, 123443, 126217, 137683, 153881, 165053, 201229, 306527, 373711, 591227, 773143, 864101, 1435837, 1604759, 2098531, 2145689, 2615977, 10050859, 11233313, 14689717, 27280903, 190966321]

約数ペア:

[(1, 190966321), (7, 27280903), (13, 14689717), (17, 11233313), (19, 10050859), (73, 2615977), (89, 2145689), (91, 2098531), (119, 1604759), (133, 1435837), (221, 864101), (247, 773143), (323, 591227), (511, 373711), (623, 306527), (949, 201229), (1157, 165053), (1241, 153881), (1387, 137683), (1513, 126217), (1547, 123443), (1691, 112931), (1729, 110449), (2261, 84461), (4199, 45479), (6497, 29393), (6643, 28747), (8099, 23579), (8687, 21983), (9709, 19669), (10591, 18031), (11837, 16133)]