9799990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{3391}}^1$

素因数の和:3432

約数の個数: 24

約数和(自身を含む): 18744192

約数和(自身を除く): 8944202

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 3391, 6782, 16955, 33910, 57647, 115294, 288235, 576470, 979999, 1959998, 4899995, 9799990]

約数ペア:

[(1, 9799990), (2, 4899995), (5, 1959998), (10, 979999), (17, 576470), (34, 288235), (85, 115294), (170, 57647), (289, 33910), (578, 16955), (1445, 6782), (2890, 3391)]