About the Number

131688

131687 ← → 131689

2進数表記:100000001001101000

漢数字表記:十三万千六百八十八

素因数分解:

2 3 × 3 2 × 31 1 × 59 1

素因数の和:102
約数の個数: 48
約数和(自身を含む): 374400
約数和(自身を除く): 242712

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 59, 62, 72, 93, 118, 124, 177, 186, 236, 248, 279, 354, 372, 472, 531, 558, 708, 744, 1062, 1116, 1416, 1829, 2124, 2232, 3658, 4248, 5487, 7316, 10974, 14632, 16461, 21948, 32922, 43896, 65844, 131688]

約数ペア:
[(1, 131688), (2, 65844), (3, 43896), (4, 32922), (6, 21948), (8, 16461), (9, 14632), (12, 10974), (18, 7316), (24, 5487), (31, 4248), (36, 3658), (59, 2232), (62, 2124), (72, 1829), (93, 1416), (118, 1116), (124, 1062), (177, 744), (186, 708), (236, 558), (248, 531), (279, 472), (354, 372)]

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