39852215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 57600480

約数和(自身を除く): 17748265

約数列:

[1, 5, 13, 19, 23, 61, 65, 95, 115, 247, 299, 305, 437, 529, 793, 1159, 1235, 1403, 1495, 2185, 2645, 3965, 5681, 5795, 6877, 7015, 10051, 15067, 18239, 26657, 28405, 32269, 34385, 50255, 75335, 91195, 130663, 133285, 161345, 346541, 419497, 613111, 653315, 1732705, 2097485, 3065555, 7970443, 39852215]

約数ペア:

[(1, 39852215), (5, 7970443), (13, 3065555), (19, 2097485), (23, 1732705), (61, 653315), (65, 613111), (95, 419497), (115, 346541), (247, 161345), (299, 133285), (305, 130663), (437, 91195), (529, 75335), (793, 50255), (1159, 34385), (1235, 32269), (1403, 28405), (1495, 26657), (2185, 18239), (2645, 15067), (3965, 10051), (5681, 7015), (5795, 6877)]