About the Number

121287166

121287165 ← → 121287167

2進数表記:111001110101011000111111110

漢数字表記:一億二千百二十八万七千百六十六

素因数分解:

2 1 × 7 1 × 11 1 × 13 1 × 47 1 × 1289 1

素因数の和:1369
約数の個数: 64
約数和(自身を含む): 249661440
約数和(自身を除く): 128374274

約数列:
[1, 2, 7, 11, 13, 14, 22, 26, 47, 77, 91, 94, 143, 154, 182, 286, 329, 517, 611, 658, 1001, 1034, 1222, 1289, 2002, 2578, 3619, 4277, 6721, 7238, 8554, 9023, 13442, 14179, 16757, 18046, 28358, 33514, 47047, 60583, 94094, 99253, 117299, 121166, 184327, 198506, 234598, 368654, 424081, 666413, 787579, 848162, 1290289, 1332826, 1575158, 2580578, 4664891, 5513053, 8663369, 9329782, 11026106, 17326738, 60643583, 121287166]

約数ペア:
[(1, 121287166), (2, 60643583), (7, 17326738), (11, 11026106), (13, 9329782), (14, 8663369), (22, 5513053), (26, 4664891), (47, 2580578), (77, 1575158), (91, 1332826), (94, 1290289), (143, 848162), (154, 787579), (182, 666413), (286, 424081), (329, 368654), (517, 234598), (611, 198506), (658, 184327), (1001, 121166), (1034, 117299), (1222, 99253), (1289, 94094), (2002, 60583), (2578, 47047), (3619, 33514), (4277, 28358), (6721, 18046), (7238, 16757), (8554, 14179), (9023, 13442)]

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