About the Number

1288892388

1288892387 ← → 1288892389

2進数表記:1001100110100101110111111100100

漢数字表記:十二億八千八百八十九万二千三百八十八

素因数分解:

2 2 × 3 1 × 7 1 × 1571 1 × 9767 1

素因数の和:11352
約数の個数: 48
約数和(自身を含む): 3439586304
約数和(自身を除く): 2150693916

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1571, 3142, 4713, 6284, 9426, 9767, 10997, 18852, 19534, 21994, 29301, 32991, 39068, 43988, 58602, 65982, 68369, 117204, 131964, 136738, 205107, 273476, 410214, 820428, 15343957, 30687914, 46031871, 61375828, 92063742, 107407699, 184127484, 214815398, 322223097, 429630796, 644446194, 1288892388]

約数ペア:
[(1, 1288892388), (2, 644446194), (3, 429630796), (4, 322223097), (6, 214815398), (7, 184127484), (12, 107407699), (14, 92063742), (21, 61375828), (28, 46031871), (42, 30687914), (84, 15343957), (1571, 820428), (3142, 410214), (4713, 273476), (6284, 205107), (9426, 136738), (9767, 131964), (10997, 117204), (18852, 68369), (19534, 65982), (21994, 58602), (29301, 43988), (32991, 39068)]

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