64964690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 136921752

約数和(自身を除く): 71957062

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 197, 245, 394, 490, 673, 985, 1346, 1379, 1970, 2758, 3365, 4711, 6730, 6895, 9422, 9653, 13790, 19306, 23555, 32977, 47110, 48265, 65954, 96530, 132581, 164885, 265162, 329770, 662905, 928067, 1325810, 1856134, 4640335, 6496469, 9280670, 12992938, 32482345, 64964690]

約数ペア:

[(1, 64964690), (2, 32482345), (5, 12992938), (7, 9280670), (10, 6496469), (14, 4640335), (35, 1856134), (49, 1325810), (70, 928067), (98, 662905), (197, 329770), (245, 265162), (394, 164885), (490, 132581), (673, 96530), (985, 65954), (1346, 48265), (1379, 47110), (1970, 32977), (2758, 23555), (3365, 19306), (4711, 13790), (6730, 9653), (6895, 9422)]