About the Number

201988829

201988828 ← → 201988830

2進数表記:1100000010100001101011011101

漢数字表記:二億百九十八万八千八百二十九

素因数分解:

7 2 × 19 1 × 23 1 × 9433 1

素因数の和:9489
約数の個数: 24
約数和(自身を含む): 258114240
約数和(自身を除く): 56125411

約数列:
[1, 7, 19, 23, 49, 133, 161, 437, 931, 1127, 3059, 9433, 21413, 66031, 179227, 216959, 462217, 1254589, 1518713, 4122221, 8782123, 10630991, 28855547, 201988829]

約数ペア:
[(1, 201988829), (7, 28855547), (19, 10630991), (23, 8782123), (49, 4122221), (133, 1518713), (161, 1254589), (437, 462217), (931, 216959), (1127, 179227), (3059, 66031), (9433, 21413)]

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