28405190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13591}}^1$

素因数の和:13628

約数の個数: 32

約数和(自身を含む): 58717440

約数和(自身を除く): 30312250

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 13591, 27182, 67955, 135910, 149501, 258229, 299002, 516458, 747505, 1291145, 1495010, 2582290, 2840519, 5681038, 14202595, 28405190]

約数ペア:

[(1, 28405190), (2, 14202595), (5, 5681038), (10, 2840519), (11, 2582290), (19, 1495010), (22, 1291145), (38, 747505), (55, 516458), (95, 299002), (110, 258229), (190, 149501), (209, 135910), (418, 67955), (1045, 27182), (2090, 13591)]