857877590

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{6277}}^1$

素因数の和:6536

約数の個数: 32

約数和(自身を含む): 1573015680

約数和(自身を除く): 715138090

約数列:

[1, 2, 5, 10, 79, 158, 173, 346, 395, 790, 865, 1730, 6277, 12554, 13667, 27334, 31385, 62770, 68335, 136670, 495883, 991766, 1085921, 2171842, 2479415, 4958830, 5429605, 10859210, 85787759, 171575518, 428938795, 857877590]

約数ペア:

[(1, 857877590), (2, 428938795), (5, 171575518), (10, 85787759), (79, 10859210), (158, 5429605), (173, 4958830), (346, 2479415), (395, 2171842), (790, 1085921), (865, 991766), (1730, 495883), (6277, 136670), (12554, 68335), (13667, 62770), (27334, 31385)]