About the Number

2008991894

2008991893 ← → 2008991895

2進数表記:1110111101111101100100010010110

漢数字表記:二十億八百九十九万千八百九十四

素因数分解:

2 1 × 7 1 × 13 2 × 347 1 × 2447 1

素因数の和:2829
約数の個数: 48
約数和(自身を含む): 3741562368
約数和(自身を除く): 1732570474

約数列:
[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 347, 694, 1183, 2366, 2429, 2447, 4511, 4858, 4894, 9022, 17129, 31577, 31811, 34258, 58643, 63154, 63622, 117286, 222677, 410501, 413543, 445354, 821002, 827086, 849109, 1698218, 2894801, 5789602, 5943763, 11038417, 11887526, 22076834, 77268919, 143499421, 154537838, 286998842, 1004495947, 2008991894]

約数ペア:
[(1, 2008991894), (2, 1004495947), (7, 286998842), (13, 154537838), (14, 143499421), (26, 77268919), (91, 22076834), (169, 11887526), (182, 11038417), (338, 5943763), (347, 5789602), (694, 2894801), (1183, 1698218), (2366, 849109), (2429, 827086), (2447, 821002), (4511, 445354), (4858, 413543), (4894, 410501), (9022, 222677), (17129, 117286), (31577, 63622), (31811, 63154), (34258, 58643)]

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