About the Number

121401644

121401643 ← → 121401645

2進数表記:111001111000111000100101100

漢数字表記:一億二千百四十万千六百四十四

素因数分解:

2 2 × 7 1 × 13 1 × 197 1 × 1693 1

素因数の和:1914
約数の個数: 48
約数和(自身を含む): 262963008
約数和(自身を除く): 141561364

約数列:
[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 197, 364, 394, 788, 1379, 1693, 2561, 2758, 3386, 5122, 5516, 6772, 10244, 11851, 17927, 22009, 23702, 35854, 44018, 47404, 71708, 88036, 154063, 308126, 333521, 616252, 667042, 1334084, 2334647, 4335773, 4669294, 8671546, 9338588, 17343092, 30350411, 60700822, 121401644]

約数ペア:
[(1, 121401644), (2, 60700822), (4, 30350411), (7, 17343092), (13, 9338588), (14, 8671546), (26, 4669294), (28, 4335773), (52, 2334647), (91, 1334084), (182, 667042), (197, 616252), (364, 333521), (394, 308126), (788, 154063), (1379, 88036), (1693, 71708), (2561, 47404), (2758, 44018), (3386, 35854), (5122, 23702), (5516, 22009), (6772, 17927), (10244, 11851)]

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