233740145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 306028800

約数和(自身を除く): 72288655

約数列:

[1, 5, 23, 29, 109, 115, 145, 545, 643, 667, 2507, 3161, 3215, 3335, 12535, 14789, 15805, 18647, 70087, 72703, 73945, 93235, 350435, 363515, 428881, 1612001, 2032523, 2144405, 8060005, 10162615, 46748029, 233740145]

約数ペア:

[(1, 233740145), (5, 46748029), (23, 10162615), (29, 8060005), (109, 2144405), (115, 2032523), (145, 1612001), (545, 428881), (643, 363515), (667, 350435), (2507, 93235), (3161, 73945), (3215, 72703), (3335, 70087), (12535, 18647), (14789, 15805)]