1657217660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{61333}}^1$

素因数の和:61542

約数の個数: 48

約数和(自身を含む): 3997995456

約数和(自身を除く): 2340777796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3860, 5404, 6755, 13510, 27020, 61333, 122666, 245332, 306665, 429331, 613330, 858662, 1226660, 1717324, 2146655, 4293310, 8586620, 11837269, 23674538, 47349076, 59186345, 82860883, 118372690, 165721766, 236745380, 331443532, 414304415, 828608830, 1657217660]

約数ペア:

[(1, 1657217660), (2, 828608830), (4, 414304415), (5, 331443532), (7, 236745380), (10, 165721766), (14, 118372690), (20, 82860883), (28, 59186345), (35, 47349076), (70, 23674538), (140, 11837269), (193, 8586620), (386, 4293310), (772, 2146655), (965, 1717324), (1351, 1226660), (1930, 858662), (2702, 613330), (3860, 429331), (5404, 306665), (6755, 245332), (13510, 122666), (27020, 61333)]