About the Number

123941389

123941388 ← → 123941390

2進数表記:111011000110011001000001101

漢数字表記:一億二千三百九十四万千三百八十九

素因数分解:

11 3 × 13 2 × 19 1 × 29 1

素因数の和:107
約数の個数: 48
約数和(自身を含む): 160747200
約数和(自身を除く): 36805811

約数列:
[1, 11, 13, 19, 29, 121, 143, 169, 209, 247, 319, 377, 551, 1331, 1573, 1859, 2299, 2717, 3211, 3509, 4147, 4901, 6061, 7163, 17303, 20449, 25289, 29887, 35321, 38599, 45617, 53911, 66671, 78793, 93119, 224939, 328757, 388531, 501787, 593021, 733381, 866723, 1024309, 4273841, 6523231, 9533953, 11267399, 123941389]

約数ペア:
[(1, 123941389), (11, 11267399), (13, 9533953), (19, 6523231), (29, 4273841), (121, 1024309), (143, 866723), (169, 733381), (209, 593021), (247, 501787), (319, 388531), (377, 328757), (551, 224939), (1331, 93119), (1573, 78793), (1859, 66671), (2299, 53911), (2717, 45617), (3211, 38599), (3509, 35321), (4147, 29887), (4901, 25289), (6061, 20449), (7163, 17303)]

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