About the Number

121654988

121654987 ← → 121654989

2進数表記:111010000000100111011001100

漢数字表記:一億二千百六十五万四千九百八十八

素因数分解:

2 2 × 7 1 × 13 2 × 47 1 × 547 1

素因数の和:631
約数の個数: 72
約数和(自身を含む): 269563392
約数和(自身を除く): 147908404

約数列:
[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 169, 182, 188, 329, 338, 364, 547, 611, 658, 676, 1094, 1183, 1222, 1316, 2188, 2366, 2444, 3829, 4277, 4732, 7111, 7658, 7943, 8554, 14222, 15316, 15886, 17108, 25709, 28444, 31772, 49777, 51418, 55601, 92443, 99554, 102836, 111202, 179963, 184886, 199108, 222404, 334217, 359926, 369772, 647101, 668434, 719852, 1294202, 1336868, 2339519, 2588404, 4344821, 4679038, 8689642, 9358076, 17379284, 30413747, 60827494, 121654988]

約数ペア:
[(1, 121654988), (2, 60827494), (4, 30413747), (7, 17379284), (13, 9358076), (14, 8689642), (26, 4679038), (28, 4344821), (47, 2588404), (52, 2339519), (91, 1336868), (94, 1294202), (169, 719852), (182, 668434), (188, 647101), (329, 369772), (338, 359926), (364, 334217), (547, 222404), (611, 199108), (658, 184886), (676, 179963), (1094, 111202), (1183, 102836), (1222, 99554), (1316, 92443), (2188, 55601), (2366, 51418), (2444, 49777), (3829, 31772), (4277, 28444), (4732, 25709), (7111, 17108), (7658, 15886), (7943, 15316), (8554, 14222)]

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