1900885585

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{12101}}^1$

素因数の和:12548

約数の個数: 16

約数和(自身を含む): 2313418320

約数和(自身を除く): 412532735

約数列:

[1, 5, 89, 353, 445, 1765, 12101, 31417, 60505, 157085, 1076989, 4271653, 5384945, 21358265, 380177117, 1900885585]

約数ペア:

[(1, 1900885585), (5, 380177117), (89, 21358265), (353, 5384945), (445, 4271653), (1765, 1076989), (12101, 157085), (31417, 60505)]