263223845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 338549760

約数和(自身を除く): 75325915

約数列:

[1, 5, 23, 61, 115, 157, 239, 305, 785, 1195, 1403, 3611, 5497, 7015, 9577, 14579, 18055, 27485, 37523, 47885, 72895, 187615, 220271, 335317, 863029, 1101355, 1676585, 2288903, 4315145, 11444515, 52644769, 263223845]

約数ペア:

[(1, 263223845), (5, 52644769), (23, 11444515), (61, 4315145), (115, 2288903), (157, 1676585), (239, 1101355), (305, 863029), (785, 335317), (1195, 220271), (1403, 187615), (3611, 72895), (5497, 47885), (7015, 37523), (9577, 27485), (14579, 18055)]