About the Number

130902642

130902641 ← → 130902643

2進数表記:111110011010110101001110010

漢数字表記:一億三千九十万二千六百四十二

素因数分解:

2 1 × 3 5 × 13 1 × 20719 1

素因数の和:20749
約数の個数: 48
約数和(自身を含む): 316767360
約数和(自身を除く): 185864718

約数列:
[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 1053, 2106, 3159, 6318, 20719, 41438, 62157, 124314, 186471, 269347, 372942, 538694, 559413, 808041, 1118826, 1616082, 1678239, 2424123, 3356478, 4848246, 5034717, 7272369, 10069434, 14544738, 21817107, 43634214, 65451321, 130902642]

約数ペア:
[(1, 130902642), (2, 65451321), (3, 43634214), (6, 21817107), (9, 14544738), (13, 10069434), (18, 7272369), (26, 5034717), (27, 4848246), (39, 3356478), (54, 2424123), (78, 1678239), (81, 1616082), (117, 1118826), (162, 808041), (234, 559413), (243, 538694), (351, 372942), (486, 269347), (702, 186471), (1053, 124314), (2106, 62157), (3159, 41438), (6318, 20719)]

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