About the Number

138721572

138721571 ← → 138721573

2進数表記:1000010001001011100100100100

漢数字表記:一億三千八百七十二万千五百七十二

素因数分解:

2 2 × 3 4 × 11 1 × 38923 1

素因数の和:38950
約数の個数: 60
約数和(自身を含む): 395623536
約数和(自身を除く): 256901964

約数列:
[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 297, 324, 396, 594, 891, 1188, 1782, 3564, 38923, 77846, 116769, 155692, 233538, 350307, 428153, 467076, 700614, 856306, 1050921, 1284459, 1401228, 1712612, 2101842, 2568918, 3152763, 3853377, 4203684, 5137836, 6305526, 7706754, 11560131, 12611052, 15413508, 23120262, 34680393, 46240524, 69360786, 138721572]

約数ペア:
[(1, 138721572), (2, 69360786), (3, 46240524), (4, 34680393), (6, 23120262), (9, 15413508), (11, 12611052), (12, 11560131), (18, 7706754), (22, 6305526), (27, 5137836), (33, 4203684), (36, 3853377), (44, 3152763), (54, 2568918), (66, 2101842), (81, 1712612), (99, 1401228), (108, 1284459), (132, 1050921), (162, 856306), (198, 700614), (297, 467076), (324, 428153), (396, 350307), (594, 233538), (891, 155692), (1188, 116769), (1782, 77846), (3564, 38923)]

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