About the Number

309968139

309968138 ← → 309968140

2進数表記:10010011110011011110100001011

漢数字表記:三億九百九十六万八千百三十九

素因数分解:

3 1 × 13 3 × 131 1 × 359 1

素因数の和:532
約数の個数: 32
約数和(自身を含む): 452390400
約数和(自身を除く): 142422261

約数列:
[1, 3, 13, 39, 131, 169, 359, 393, 507, 1077, 1703, 2197, 4667, 5109, 6591, 14001, 22139, 47029, 60671, 66417, 141087, 182013, 287807, 611377, 788723, 863421, 1834131, 2366169, 7947901, 23843703, 103322713, 309968139]

約数ペア:
[(1, 309968139), (3, 103322713), (13, 23843703), (39, 7947901), (131, 2366169), (169, 1834131), (359, 863421), (393, 788723), (507, 611377), (1077, 287807), (1703, 182013), (2197, 141087), (4667, 66417), (5109, 60671), (6591, 47029), (14001, 22139)]

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