253654895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 334756800

約数和(自身を除く): 81101905

約数列:

[1, 5, 13, 65, 89, 163, 269, 445, 815, 1157, 1345, 2119, 3497, 5785, 10595, 14507, 17485, 23941, 43847, 72535, 119705, 188591, 219235, 311233, 570011, 942955, 1556165, 2850055, 3902383, 19511915, 50730979, 253654895]

約数ペア:

[(1, 253654895), (5, 50730979), (13, 19511915), (65, 3902383), (89, 2850055), (163, 1556165), (269, 942955), (445, 570011), (815, 311233), (1157, 219235), (1345, 188591), (2119, 119705), (3497, 72535), (5785, 43847), (10595, 23941), (14507, 17485)]