About the Number

201288801

201288800 ← → 201288802

2進数表記:1011111111110110110001100001

漢数字表記:二億百二十八万八千八百一

素因数分解:

3 1 × 7 1 × 23 1 × 347 1 × 1201 1

素因数の和:1581
約数の個数: 32
約数和(自身を含む): 321251328
約数和(自身を除く): 119962527

約数列:
[1, 3, 7, 21, 23, 69, 161, 347, 483, 1041, 1201, 2429, 3603, 7287, 7981, 8407, 23943, 25221, 27623, 55867, 82869, 167601, 193361, 416747, 580083, 1250241, 2917229, 8751687, 9585181, 28755543, 67096267, 201288801]

約数ペア:
[(1, 201288801), (3, 67096267), (7, 28755543), (21, 9585181), (23, 8751687), (69, 2917229), (161, 1250241), (347, 580083), (483, 416747), (1041, 193361), (1201, 167601), (2429, 82869), (3603, 55867), (7287, 27623), (7981, 25221), (8407, 23943)]

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