About the Number

218148

218147 ← → 218149

2進数表記:110101010000100100

漢数字表記:二十一万八千百四十八

素因数分解:

2 2 × 3 1 × 7 3 × 53 1

素因数の和:81
約数の個数: 48
約数和(自身を含む): 604800
約数和(自身を除く): 386652

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 53, 84, 98, 106, 147, 159, 196, 212, 294, 318, 343, 371, 588, 636, 686, 742, 1029, 1113, 1372, 1484, 2058, 2226, 2597, 4116, 4452, 5194, 7791, 10388, 15582, 18179, 31164, 36358, 54537, 72716, 109074, 218148]

約数ペア:
[(1, 218148), (2, 109074), (3, 72716), (4, 54537), (6, 36358), (7, 31164), (12, 18179), (14, 15582), (21, 10388), (28, 7791), (42, 5194), (49, 4452), (53, 4116), (84, 2597), (98, 2226), (106, 2058), (147, 1484), (159, 1372), (196, 1113), (212, 1029), (294, 742), (318, 686), (343, 636), (371, 588)]

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