245466145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 321615360

約数和(自身を除く): 76149215

約数列:

[1, 5, 17, 43, 85, 215, 239, 281, 731, 1195, 1405, 3655, 4063, 4777, 10277, 12083, 20315, 23885, 51385, 60415, 67159, 174709, 205411, 335795, 873545, 1027055, 1141703, 2887837, 5708515, 14439185, 49093229, 245466145]

約数ペア:

[(1, 245466145), (5, 49093229), (17, 14439185), (43, 5708515), (85, 2887837), (215, 1141703), (239, 1027055), (281, 873545), (731, 335795), (1195, 205411), (1405, 174709), (3655, 67159), (4063, 60415), (4777, 51385), (10277, 23885), (12083, 20315)]