81071942

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 143396352

約数和(自身を除く): 62324410

約数列:

[1, 2, 7, 14, 43, 86, 137, 274, 301, 602, 959, 983, 1918, 1966, 5891, 6881, 11782, 13762, 41237, 42269, 82474, 84538, 134671, 269342, 295883, 591766, 942697, 1885394, 5790853, 11581706, 40535971, 81071942]

約数ペア:

[(1, 81071942), (2, 40535971), (7, 11581706), (14, 5790853), (43, 1885394), (86, 942697), (137, 591766), (274, 295883), (301, 269342), (602, 134671), (959, 84538), (983, 82474), (1918, 42269), (1966, 41237), (5891, 13762), (6881, 11782)]