64904425

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 83030400

約数和(自身を除く): 18125975

約数列:

[1, 5, 25, 59, 79, 295, 395, 557, 1475, 1975, 2785, 4661, 13925, 23305, 32863, 44003, 116525, 164315, 220015, 821575, 1100075, 2596177, 12980885, 64904425]

約数ペア:

[(1, 64904425), (5, 12980885), (25, 2596177), (59, 1100075), (79, 821575), (295, 220015), (395, 164315), (557, 116525), (1475, 44003), (1975, 32863), (2785, 23305), (4661, 13925)]