About the Number

130005972

130005971 ← → 130005973

2進数表記:111101111111011101111010100

漢数字表記:一億三千万五千九百七十二

素因数分解:

2 2 × 3 5 × 131 1 × 1021 1

素因数の和:1171
約数の個数: 72
約数和(自身を含む): 343735392
約数和(自身を除く): 213729420

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 131, 162, 243, 262, 324, 393, 486, 524, 786, 972, 1021, 1179, 1572, 2042, 2358, 3063, 3537, 4084, 4716, 6126, 7074, 9189, 10611, 12252, 14148, 18378, 21222, 27567, 31833, 36756, 42444, 55134, 63666, 82701, 110268, 127332, 133751, 165402, 248103, 267502, 330804, 401253, 496206, 535004, 802506, 992412, 1203759, 1605012, 2407518, 3611277, 4815036, 7222554, 10833831, 14445108, 21667662, 32501493, 43335324, 65002986, 130005972]

約数ペア:
[(1, 130005972), (2, 65002986), (3, 43335324), (4, 32501493), (6, 21667662), (9, 14445108), (12, 10833831), (18, 7222554), (27, 4815036), (36, 3611277), (54, 2407518), (81, 1605012), (108, 1203759), (131, 992412), (162, 802506), (243, 535004), (262, 496206), (324, 401253), (393, 330804), (486, 267502), (524, 248103), (786, 165402), (972, 133751), (1021, 127332), (1179, 110268), (1572, 82701), (2042, 63666), (2358, 55134), (3063, 42444), (3537, 36756), (4084, 31833), (4716, 27567), (6126, 21222), (7074, 18378), (9189, 14148), (10611, 12252)]

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