About the Number

131881002

131881001 ← → 131881003

2進数表記:111110111000101100000101010

漢数字表記:一億三千百八十八万千二

素因数分解:

2 1 × 3 1 × 11 1 × 17 1 × 117541 1

素因数の和:117574
約数の個数: 32
約数和(自身を含む): 304668864
約数和(自身を除く): 172787862

約数列:
[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 374, 561, 1122, 117541, 235082, 352623, 705246, 1292951, 1998197, 2585902, 3878853, 3996394, 5994591, 7757706, 11989182, 21980167, 43960334, 65940501, 131881002]

約数ペア:
[(1, 131881002), (2, 65940501), (3, 43960334), (6, 21980167), (11, 11989182), (17, 7757706), (22, 5994591), (33, 3996394), (34, 3878853), (51, 2585902), (66, 1998197), (102, 1292951), (187, 705246), (374, 352623), (561, 235082), (1122, 117541)]

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