About the Number

131321628

131321627 ← → 131321629

2進数表記:111110100111100111100011100

漢数字表記:一億三千百三十二万千六百二十八

素因数分解:

2 2 × 3 3 × 23 1 × 29 1 × 1823 1

素因数の和:1888
約数の個数: 96
約数和(自身を含む): 367718400
約数和(自身を除く): 236396772

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 29, 36, 46, 54, 58, 69, 87, 92, 108, 116, 138, 174, 207, 261, 276, 348, 414, 522, 621, 667, 783, 828, 1044, 1242, 1334, 1566, 1823, 2001, 2484, 2668, 3132, 3646, 4002, 5469, 6003, 7292, 8004, 10938, 12006, 16407, 18009, 21876, 24012, 32814, 36018, 41929, 49221, 52867, 65628, 72036, 83858, 98442, 105734, 125787, 158601, 167716, 196884, 211468, 251574, 317202, 377361, 475803, 503148, 634404, 754722, 951606, 1132083, 1215941, 1427409, 1509444, 1903212, 2264166, 2431882, 2854818, 3647823, 4528332, 4863764, 5709636, 7295646, 10943469, 14591292, 21886938, 32830407, 43773876, 65660814, 131321628]

約数ペア:
[(1, 131321628), (2, 65660814), (3, 43773876), (4, 32830407), (6, 21886938), (9, 14591292), (12, 10943469), (18, 7295646), (23, 5709636), (27, 4863764), (29, 4528332), (36, 3647823), (46, 2854818), (54, 2431882), (58, 2264166), (69, 1903212), (87, 1509444), (92, 1427409), (108, 1215941), (116, 1132083), (138, 951606), (174, 754722), (207, 634404), (261, 503148), (276, 475803), (348, 377361), (414, 317202), (522, 251574), (621, 211468), (667, 196884), (783, 167716), (828, 158601), (1044, 125787), (1242, 105734), (1334, 98442), (1566, 83858), (1823, 72036), (2001, 65628), (2484, 52867), (2668, 49221), (3132, 41929), (3646, 36018), (4002, 32814), (5469, 24012), (6003, 21876), (7292, 18009), (8004, 16407), (10938, 12006)]

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