About the Number

2388897189

2388897188 ← → 2388897190

2進数表記:10001110011000111010110110100101

漢数字表記:二十三億八千八百八十九万七千百八十九

素因数分解:

3 2 × 7 1 × 19 1 × 61 1 × 32717 1

素因数の和:32810
約数の個数: 48
約数和(自身を含む): 4219313280
約数和(自身を除く): 1830416091

約数列:
[1, 3, 7, 9, 19, 21, 57, 61, 63, 133, 171, 183, 399, 427, 549, 1159, 1197, 1281, 3477, 3843, 8113, 10431, 24339, 32717, 73017, 98151, 229019, 294453, 621623, 687057, 1864869, 1995737, 2061171, 4351361, 5594607, 5987211, 13054083, 13970159, 17961633, 37919003, 39162249, 41910477, 113757009, 125731431, 265433021, 341271027, 796299063, 2388897189]

約数ペア:
[(1, 2388897189), (3, 796299063), (7, 341271027), (9, 265433021), (19, 125731431), (21, 113757009), (57, 41910477), (61, 39162249), (63, 37919003), (133, 17961633), (171, 13970159), (183, 13054083), (399, 5987211), (427, 5594607), (549, 4351361), (1159, 2061171), (1197, 1995737), (1281, 1864869), (3477, 687057), (3843, 621623), (8113, 294453), (10431, 229019), (24339, 98151), (32717, 73017)]

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