About the Number

161001256

161001255 ← → 161001257

2進数表記:1001100110001010111100101000

漢数字表記:一億六千百万千二百五十六

素因数分解:

2 3 × 13 1 × 1201 1 × 1289 1

素因数の和:2509
約数の個数: 32
約数和(自身を含む): 325621800
約数和(自身を除く): 164620544

約数列:
[1, 2, 4, 8, 13, 26, 52, 104, 1201, 1289, 2402, 2578, 4804, 5156, 9608, 10312, 15613, 16757, 31226, 33514, 62452, 67028, 124904, 134056, 1548089, 3096178, 6192356, 12384712, 20125157, 40250314, 80500628, 161001256]

約数ペア:
[(1, 161001256), (2, 80500628), (4, 40250314), (8, 20125157), (13, 12384712), (26, 6192356), (52, 3096178), (104, 1548089), (1201, 134056), (1289, 124904), (2402, 67028), (2578, 62452), (4804, 33514), (5156, 31226), (9608, 16757), (10312, 15613)]

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