639122290

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{334619}}^1$

素因数の和:334817

約数の個数: 16

約数和(自身を含む): 1156446720

約数和(自身を除く): 517324430

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 334619, 669238, 1673095, 3346190, 63912229, 127824458, 319561145, 639122290]

約数ペア:

[(1, 639122290), (2, 319561145), (5, 127824458), (10, 63912229), (191, 3346190), (382, 1673095), (955, 669238), (1910, 334619)]