286844615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 392532480

約数和(自身を除く): 105687865

約数列:

[1, 5, 19, 23, 43, 71, 95, 115, 215, 355, 437, 817, 989, 1349, 1633, 1849, 2185, 3053, 4085, 4945, 6745, 8165, 9245, 15265, 18791, 31027, 35131, 42527, 58007, 70219, 93955, 131279, 155135, 175655, 212635, 290035, 351095, 656395, 808013, 1334161, 2494301, 3019417, 4040065, 6670805, 12471505, 15097085, 57368923, 286844615]

約数ペア:

[(1, 286844615), (5, 57368923), (19, 15097085), (23, 12471505), (43, 6670805), (71, 4040065), (95, 3019417), (115, 2494301), (215, 1334161), (355, 808013), (437, 656395), (817, 351095), (989, 290035), (1349, 212635), (1633, 175655), (1849, 155135), (2185, 131279), (3053, 93955), (4085, 70219), (4945, 58007), (6745, 42527), (8165, 35131), (9245, 31027), (15265, 18791)]