2186661.00000000

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^2$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 68956524

約数和(自身を除く): 19374199

約数列:

[1, 5, 13, 25, 41, 61, 65, 205, 305, 325, 533, 793, 1025, 1525, 2501, 2665, 3721, 3965, 12505, 13325, 18605, 19825, 32513, 48373, 62525, 93025, 152561, 162565, 241865, 762805, 812825, 1209325, 1983293, 3814025, 9916465, 49582325]

約数ペア:

[(1, 49582325), (5, 9916465), (13, 3814025), (25, 1983293), (41, 1209325), (61, 812825), (65, 762805), (205, 241865), (305, 162565), (325, 152561), (533, 93025), (793, 62525), (1025, 48373), (1525, 32513), (2501, 19825), (2665, 18605), (3721, 13325), (3965, 12505)]