About the Number

121380496505

121380496504 ← → 121380496506

2進数表記:1110001000010110101110110010001111001

漢数字表記:千二百十三億八千四十九万六千五百五

素因数分解:

5 1 × 61 1 × 401 1 × 992441 1

素因数の和:992908
約数の個数: 16
約数和(自身を含む): 148413746448
約数和(自身を除く): 27033249943

約数列:
[1, 5, 61, 305, 401, 2005, 24461, 122305, 992441, 4962205, 60538901, 302694505, 397968841, 1989844205, 24276099301, 121380496505]

約数ペア:
[(1, 121380496505), (5, 24276099301), (61, 1989844205), (305, 397968841), (401, 302694505), (2005, 60538901), (24461, 4962205), (122305, 992441)]

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