About the Number

131528210

131528209 ← → 131528211

2進数表記:111110101101111011000010010

漢数字表記:一億三千百五十二万八千二百十

素因数分解:

2 1 × 5 1 × 11 2 × 71 1 × 1531 1

素因数の和:1631
約数の個数: 48
約数和(自身を含む): 264067776
約数和(自身を除く): 132539566

約数列:
[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 355, 605, 710, 781, 1210, 1531, 1562, 3062, 3905, 7655, 7810, 8591, 15310, 16841, 17182, 33682, 42955, 84205, 85910, 108701, 168410, 185251, 217402, 370502, 543505, 926255, 1087010, 1195711, 1852510, 2391422, 5978555, 11957110, 13152821, 26305642, 65764105, 131528210]

約数ペア:
[(1, 131528210), (2, 65764105), (5, 26305642), (10, 13152821), (11, 11957110), (22, 5978555), (55, 2391422), (71, 1852510), (110, 1195711), (121, 1087010), (142, 926255), (242, 543505), (355, 370502), (605, 217402), (710, 185251), (781, 168410), (1210, 108701), (1531, 85910), (1562, 84205), (3062, 42955), (3905, 33682), (7655, 17182), (7810, 16841), (8591, 15310)]

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