73718125

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 101992352

約数和(自身を除く): 28274227

約数列:

[1, 5, 13, 25, 43, 65, 125, 211, 215, 325, 559, 625, 1055, 1075, 1625, 2743, 2795, 5275, 5375, 8125, 9073, 13715, 13975, 26375, 26875, 45365, 68575, 69875, 117949, 131875, 226825, 342875, 349375, 589745, 1134125, 1714375, 2948725, 5670625, 14743625, 73718125]

約数ペア:

[(1, 73718125), (5, 14743625), (13, 5670625), (25, 2948725), (43, 1714375), (65, 1134125), (125, 589745), (211, 349375), (215, 342875), (325, 226825), (559, 131875), (625, 117949), (1055, 69875), (1075, 68575), (1625, 45365), (2743, 26875), (2795, 26375), (5275, 13975), (5375, 13715), (8125, 9073)]