27954985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 9341015

約数列:

[1, 5, 19, 29, 73, 95, 139, 145, 365, 551, 695, 1387, 2117, 2641, 2755, 4031, 6935, 10147, 10585, 13205, 20155, 40223, 50735, 76589, 192793, 201115, 294263, 382945, 963965, 1471315, 5590997, 27954985]

約数ペア:

[(1, 27954985), (5, 5590997), (19, 1471315), (29, 963965), (73, 382945), (95, 294263), (139, 201115), (145, 192793), (365, 76589), (551, 50735), (695, 40223), (1387, 20155), (2117, 13205), (2641, 10585), (2755, 10147), (4031, 6935)]