668088506

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1\times {\mathrm{373}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 1048576320

約数和(自身を除く): 380487814

約数列:

[1, 2, 43, 59, 86, 118, 353, 373, 706, 746, 2537, 5074, 15179, 16039, 20827, 22007, 30358, 32078, 41654, 44014, 131669, 263338, 895561, 946301, 1791122, 1892602, 5661767, 7768471, 11323534, 15536942, 334044253, 668088506]

約数ペア:

[(1, 668088506), (2, 334044253), (43, 15536942), (59, 11323534), (86, 7768471), (118, 5661767), (353, 1892602), (373, 1791122), (706, 946301), (746, 895561), (2537, 263338), (5074, 131669), (15179, 44014), (16039, 41654), (20827, 32078), (22007, 30358)]