642786694

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{20707}}^1$

素因数の和:20820

約数の個数: 32

約数和(自身を含む): 1127177856

約数和(自身を除く): 484391162

約数列:

[1, 2, 11, 17, 22, 34, 83, 166, 187, 374, 913, 1411, 1826, 2822, 15521, 20707, 31042, 41414, 227777, 352019, 455554, 704038, 1718681, 3437362, 3872209, 7744418, 18905491, 29217577, 37810982, 58435154, 321393347, 642786694]

約数ペア:

[(1, 642786694), (2, 321393347), (11, 58435154), (17, 37810982), (22, 29217577), (34, 18905491), (83, 7744418), (166, 3872209), (187, 3437362), (374, 1718681), (913, 704038), (1411, 455554), (1826, 352019), (2822, 227777), (15521, 41414), (20707, 31042)]