About the Number

129978474

129978473 ← → 129978475

2進数表記:111101111110101000001101010

漢数字表記:一億二千九百九十七万八千四百七十四

素因数分解:

2 1 × 3 1 × 23 2 × 31 1 × 1321 1

素因数の和:1403
約数の個数: 48
約数和(自身を含む): 280729344
約数和(自身を除く): 150750870

約数列:
[1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 186, 529, 713, 1058, 1321, 1426, 1587, 2139, 2642, 3174, 3963, 4278, 7926, 16399, 30383, 32798, 40951, 49197, 60766, 81902, 91149, 98394, 122853, 182298, 245706, 698809, 941873, 1397618, 1883746, 2096427, 2825619, 4192854, 5651238, 21663079, 43326158, 64989237, 129978474]

約数ペア:
[(1, 129978474), (2, 64989237), (3, 43326158), (6, 21663079), (23, 5651238), (31, 4192854), (46, 2825619), (62, 2096427), (69, 1883746), (93, 1397618), (138, 941873), (186, 698809), (529, 245706), (713, 182298), (1058, 122853), (1321, 98394), (1426, 91149), (1587, 81902), (2139, 60766), (2642, 49197), (3174, 40951), (3963, 32798), (4278, 30383), (7926, 16399)]

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