81303536

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{46619}}^1$

素因数の和:46736

約数の個数: 20

約数和(自身を含む): 158974200

約数和(自身を除く): 77670664

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 46619, 93238, 186476, 372952, 745904, 5081471, 10162942, 20325884, 40651768, 81303536]

約数ペア:

[(1, 81303536), (2, 40651768), (4, 20325884), (8, 10162942), (16, 5081471), (109, 745904), (218, 372952), (436, 186476), (872, 93238), (1744, 46619)]