402499565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 566718768

約数和(自身を除く): 164219203

約数列:

[1, 5, 13, 17, 43, 65, 85, 197, 215, 221, 559, 731, 985, 1105, 1849, 2561, 2795, 3349, 3655, 8471, 9245, 9503, 12805, 16745, 24037, 31433, 42355, 43537, 47515, 110123, 120185, 144007, 157165, 217685, 364253, 408629, 550615, 720035, 1821265, 1872091, 2043145, 4735289, 6192301, 9360455, 23676445, 30961505, 80499913, 402499565]

約数ペア:

[(1, 402499565), (5, 80499913), (13, 30961505), (17, 23676445), (43, 9360455), (65, 6192301), (85, 4735289), (197, 2043145), (215, 1872091), (221, 1821265), (559, 720035), (731, 550615), (985, 408629), (1105, 364253), (1849, 217685), (2561, 157165), (2795, 144007), (3349, 120185), (3655, 110123), (8471, 47515), (9245, 43537), (9503, 42355), (12805, 31433), (16745, 24037)]