9997870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2557}}^1$

素因数の和:2604

約数の個数: 32

約数和(自身を含む): 19891008

約数和(自身を除く): 9893138

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 2557, 3910, 5114, 12785, 25570, 43469, 58811, 86938, 117622, 217345, 294055, 434690, 588110, 999787, 1999574, 4998935, 9997870]

約数ペア:

[(1, 9997870), (2, 4998935), (5, 1999574), (10, 999787), (17, 588110), (23, 434690), (34, 294055), (46, 217345), (85, 117622), (115, 86938), (170, 58811), (230, 43469), (391, 25570), (782, 12785), (1955, 5114), (2557, 3910)]