258679990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{14221}}^1$

素因数の和:14352

約数の個数: 32

約数和(自身を含む): 497656224

約数和(自身を除く): 238976234

約数列:

[1, 2, 5, 10, 17, 34, 85, 107, 170, 214, 535, 1070, 1819, 3638, 9095, 14221, 18190, 28442, 71105, 142210, 241757, 483514, 1208785, 1521647, 2417570, 3043294, 7608235, 15216470, 25867999, 51735998, 129339995, 258679990]

約数ペア:

[(1, 258679990), (2, 129339995), (5, 51735998), (10, 25867999), (17, 15216470), (34, 7608235), (85, 3043294), (107, 2417570), (170, 1521647), (214, 1208785), (535, 483514), (1070, 241757), (1819, 142210), (3638, 71105), (9095, 28442), (14221, 18190)]