About the Number

131540872005

131540872004 ← → 131540872006

2進数表記:1111010100000011100100110101101000101

漢数字表記:千三百十五億四千八十七万二千五

素因数分解:

3 2 × 5 1 × 211 1 × 283 1 × 48953 1

素因数の和:49458
約数の個数: 48
約数和(自身を含む): 229898949696
約数和(自身を除く): 98358077691

約数列:
[1, 3, 5, 9, 15, 45, 211, 283, 633, 849, 1055, 1415, 1899, 2547, 3165, 4245, 9495, 12735, 48953, 59713, 146859, 179139, 244765, 298565, 440577, 537417, 734295, 895695, 2202885, 2687085, 10329083, 13853699, 30987249, 41561097, 51645415, 69268495, 92961747, 124683291, 154936245, 207805485, 464808735, 623416455, 2923130489, 8769391467, 14615652445, 26308174401, 43846957335, 131540872005]

約数ペア:
[(1, 131540872005), (3, 43846957335), (5, 26308174401), (9, 14615652445), (15, 8769391467), (45, 2923130489), (211, 623416455), (283, 464808735), (633, 207805485), (849, 154936245), (1055, 124683291), (1415, 92961747), (1899, 69268495), (2547, 51645415), (3165, 41561097), (4245, 30987249), (9495, 13853699), (12735, 10329083), (48953, 2687085), (59713, 2202885), (146859, 895695), (179139, 734295), (244765, 537417), (298565, 440577)]

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