About the Number

12888390

12888389 ← → 12888391

2進数表記:110001001010100101000110

漢数字表記:千二百八十八万八千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 43 1 × 97 1 × 103 1

素因数の和:253
約数の個数: 64
約数和(自身を含む): 32288256
約数和(自身を除く): 19399866

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 97, 103, 129, 194, 206, 215, 258, 291, 309, 430, 485, 515, 582, 618, 645, 970, 1030, 1290, 1455, 1545, 2910, 3090, 4171, 4429, 8342, 8858, 9991, 12513, 13287, 19982, 20855, 22145, 25026, 26574, 29973, 41710, 44290, 49955, 59946, 62565, 66435, 99910, 125130, 132870, 149865, 299730, 429613, 859226, 1288839, 2148065, 2577678, 4296130, 6444195, 12888390]

約数ペア:
[(1, 12888390), (2, 6444195), (3, 4296130), (5, 2577678), (6, 2148065), (10, 1288839), (15, 859226), (30, 429613), (43, 299730), (86, 149865), (97, 132870), (103, 125130), (129, 99910), (194, 66435), (206, 62565), (215, 59946), (258, 49955), (291, 44290), (309, 41710), (430, 29973), (485, 26574), (515, 25026), (582, 22145), (618, 20855), (645, 19982), (970, 13287), (1030, 12513), (1290, 9991), (1455, 8858), (1545, 8342), (2910, 4429), (3090, 4171)]

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