16780478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2551}}^1$

素因数の和:2600

約数の個数: 32

約数和(自身を含む): 30868992

約数和(自身を除く): 14088514

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 598, 2551, 3289, 5102, 6578, 28061, 33163, 56122, 58673, 66326, 117346, 364793, 645403, 729586, 762749, 1290806, 1525498, 8390239, 16780478]

約数ペア:

[(1, 16780478), (2, 8390239), (11, 1525498), (13, 1290806), (22, 762749), (23, 729586), (26, 645403), (46, 364793), (143, 117346), (253, 66326), (286, 58673), (299, 56122), (506, 33163), (598, 28061), (2551, 6578), (3289, 5102)]