290820439

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 382104000

約数和(自身を除く): 91283561

約数列:

[1, 7, 13, 29, 49, 91, 169, 173, 203, 343, 377, 637, 1183, 1211, 1421, 2249, 2639, 4459, 4901, 5017, 8281, 8477, 9947, 15743, 18473, 29237, 34307, 35119, 57967, 59339, 65221, 110201, 129311, 204659, 240149, 245833, 456547, 771407, 847873, 1432613, 1681043, 1720831, 3195829, 5935111, 10028291, 22370803, 41545777, 290820439]

約数ペア:

[(1, 290820439), (7, 41545777), (13, 22370803), (29, 10028291), (49, 5935111), (91, 3195829), (169, 1720831), (173, 1681043), (203, 1432613), (343, 847873), (377, 771407), (637, 456547), (1183, 245833), (1211, 240149), (1421, 204659), (2249, 129311), (2639, 110201), (4459, 65221), (4901, 59339), (5017, 57967), (8281, 35119), (8477, 34307), (9947, 29237), (15743, 18473)]