About the Number

13281390

13281389 ← → 13281391

2進数表記:110010101010100001101110

漢数字表記:千三百二十八万千三百九十

素因数分解:

2 1 × 3 2 × 5 1 × 147571 1

素因数の和:147584
約数の個数: 24
約数和(自身を含む): 34531848
約数和(自身を除く): 21250458

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 147571, 295142, 442713, 737855, 885426, 1328139, 1475710, 2213565, 2656278, 4427130, 6640695, 13281390]

約数ペア:
[(1, 13281390), (2, 6640695), (3, 4427130), (5, 2656278), (6, 2213565), (9, 1475710), (10, 1328139), (15, 885426), (18, 737855), (30, 442713), (45, 295142), (90, 147571)]

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