81473070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{387967}}^1$

素因数の和:387984

約数の個数: 32

約数和(自身を含む): 223469568

約数和(自身を除く): 141996498

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 387967, 775934, 1163901, 1939835, 2327802, 2715769, 3879670, 5431538, 5819505, 8147307, 11639010, 13578845, 16294614, 27157690, 40736535, 81473070]

約数ペア:

[(1, 81473070), (2, 40736535), (3, 27157690), (5, 16294614), (6, 13578845), (7, 11639010), (10, 8147307), (14, 5819505), (15, 5431538), (21, 3879670), (30, 2715769), (35, 2327802), (42, 1939835), (70, 1163901), (105, 775934), (210, 387967)]