1640883374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1436

約数の個数: 32

約数和(自身を含む): 2674788480

約数和(自身を除く): 1033905106

約数列:

[1, 2, 13, 26, 181, 362, 431, 809, 862, 1618, 2353, 4706, 5603, 10517, 11206, 21034, 78011, 146429, 156022, 292858, 348679, 697358, 1014143, 1903577, 2028286, 3807154, 4532827, 9065654, 63110899, 126221798, 820441687, 1640883374]

約数ペア:

[(1, 1640883374), (2, 820441687), (13, 126221798), (26, 63110899), (181, 9065654), (362, 4532827), (431, 3807154), (809, 2028286), (862, 1903577), (1618, 1014143), (2353, 697358), (4706, 348679), (5603, 292858), (10517, 156022), (11206, 146429), (21034, 78011)]