20161651475

素因数分解:

$5^2\times 7^3\times {\mathrm{349}}^1\times {\mathrm{6737}}^1$

素因数の和:7117

約数の個数: 48

約数和(自身を含む): 29242920000

約数和(自身を除く): 9081268525

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 349, 1225, 1715, 1745, 2443, 6737, 8575, 8725, 12215, 17101, 33685, 47159, 61075, 85505, 119707, 168425, 235795, 330113, 427525, 598535, 1178975, 1650565, 2310791, 2351213, 2992675, 8252825, 11553955, 11756065, 16458491, 57769775, 58780325, 82292455, 115209437, 411462275, 576047185, 806466059, 2880235925, 4032330295, 20161651475]

約数ペア:

[(1, 20161651475), (5, 4032330295), (7, 2880235925), (25, 806466059), (35, 576047185), (49, 411462275), (175, 115209437), (245, 82292455), (343, 58780325), (349, 57769775), (1225, 16458491), (1715, 11756065), (1745, 11553955), (2443, 8252825), (6737, 2992675), (8575, 2351213), (8725, 2310791), (12215, 1650565), (17101, 1178975), (33685, 598535), (47159, 427525), (61075, 330113), (85505, 235795), (119707, 168425)]