About the Number

131571258

131571257 ← → 131571259

2進数表記:111110101111001111000111010

漢数字表記:一億三千百五十七万千二百五十八

素因数分解:

2 1 × 3 1 × 7 1 × 13 1 × 73 1 × 3301 1

素因数の和:3399
約数の個数: 64
約数和(自身を含む): 328403712
約数和(自身を除く): 196832454

約数列:
[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 73, 78, 91, 146, 182, 219, 273, 438, 511, 546, 949, 1022, 1533, 1898, 2847, 3066, 3301, 5694, 6602, 6643, 9903, 13286, 19806, 19929, 23107, 39858, 42913, 46214, 69321, 85826, 128739, 138642, 240973, 257478, 300391, 481946, 600782, 722919, 901173, 1445838, 1686811, 1802346, 3132649, 3373622, 5060433, 6265298, 9397947, 10120866, 18795894, 21928543, 43857086, 65785629, 131571258]

約数ペア:
[(1, 131571258), (2, 65785629), (3, 43857086), (6, 21928543), (7, 18795894), (13, 10120866), (14, 9397947), (21, 6265298), (26, 5060433), (39, 3373622), (42, 3132649), (73, 1802346), (78, 1686811), (91, 1445838), (146, 901173), (182, 722919), (219, 600782), (273, 481946), (438, 300391), (511, 257478), (546, 240973), (949, 138642), (1022, 128739), (1533, 85826), (1898, 69321), (2847, 46214), (3066, 42913), (3301, 39858), (5694, 23107), (6602, 19929), (6643, 19806), (9903, 13286)]

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