About the Number

131290008

131290007 ← → 131290009

2進数表記:111110100110101001110011000

漢数字表記:一億三千百二十九万八

素因数分解:

2 3 × 3 1 × 43 1 × 127219 1

素因数の和:127271
約数の個数: 32
約数和(自身を含む): 335860800
約数和(自身を除く): 204570792

約数列:
[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 127219, 254438, 381657, 508876, 763314, 1017752, 1526628, 3053256, 5470417, 10940834, 16411251, 21881668, 32822502, 43763336, 65645004, 131290008]

約数ペア:
[(1, 131290008), (2, 65645004), (3, 43763336), (4, 32822502), (6, 21881668), (8, 16411251), (12, 10940834), (24, 5470417), (43, 3053256), (86, 1526628), (129, 1017752), (172, 763314), (258, 508876), (344, 381657), (516, 254438), (1032, 127219)]

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