About the Number

123161872

123161871 ← → 123161873

2進数表記:111010101110100110100010000

漢数字表記:一億二千三百十六万千八百七十二

素因数分解:

2 4 × 17 1 × 23 1 × 19687 1

素因数の和:19735
約数の個数: 40
約数和(自身を含む): 263661696
約数和(自身を除く): 140499824

約数列:
[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 782, 1564, 3128, 6256, 19687, 39374, 78748, 157496, 314992, 334679, 452801, 669358, 905602, 1338716, 1811204, 2677432, 3622408, 5354864, 7244816, 7697617, 15395234, 30790468, 61580936, 123161872]

約数ペア:
[(1, 123161872), (2, 61580936), (4, 30790468), (8, 15395234), (16, 7697617), (17, 7244816), (23, 5354864), (34, 3622408), (46, 2677432), (68, 1811204), (92, 1338716), (136, 905602), (184, 669358), (272, 452801), (368, 334679), (391, 314992), (782, 157496), (1564, 78748), (3128, 39374), (6256, 19687)]

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