About the Number

131428908

131428907 ← → 131428909

2進数表記:111110101010111001000101100

漢数字表記:一億三千百四十二万八千九百八

素因数分解:

2 2 × 3 2 × 13 1 × 73 1 × 3847 1

素因数の和:3943
約数の個数: 72
約数和(自身を含む): 362774048
約数和(自身を除く): 231345140

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 876, 949, 1314, 1898, 2628, 2847, 3796, 3847, 5694, 7694, 8541, 11388, 11541, 15388, 17082, 23082, 34164, 34623, 46164, 50011, 69246, 100022, 138492, 150033, 200044, 280831, 300066, 450099, 561662, 600132, 842493, 900198, 1123324, 1684986, 1800396, 2527479, 3369972, 3650803, 5054958, 7301606, 10109916, 10952409, 14603212, 21904818, 32857227, 43809636, 65714454, 131428908]

約数ペア:
[(1, 131428908), (2, 65714454), (3, 43809636), (4, 32857227), (6, 21904818), (9, 14603212), (12, 10952409), (13, 10109916), (18, 7301606), (26, 5054958), (36, 3650803), (39, 3369972), (52, 2527479), (73, 1800396), (78, 1684986), (117, 1123324), (146, 900198), (156, 842493), (219, 600132), (234, 561662), (292, 450099), (438, 300066), (468, 280831), (657, 200044), (876, 150033), (949, 138492), (1314, 100022), (1898, 69246), (2628, 50011), (2847, 46164), (3796, 34623), (3847, 34164), (5694, 23082), (7694, 17082), (8541, 15388), (11388, 11541)]

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