About the Number

128188242

128188241 ← → 128188243

2進数表記:111101000111111111101010010

漢数字表記:一億二千八百十八万八千二百四十二

素因数分解:

2 1 × 3 2 × 7 1 × 13 1 × 78259 1

素因数の和:78287
約数の個数: 48
約数和(自身を含む): 341839680
約数和(自身を除く): 213651438

約数列:
[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 78259, 156518, 234777, 469554, 547813, 704331, 1017367, 1095626, 1408662, 1643439, 2034734, 3052101, 3286878, 4930317, 6104202, 7121569, 9156303, 9860634, 14243138, 18312606, 21364707, 42729414, 64094121, 128188242]

約数ペア:
[(1, 128188242), (2, 64094121), (3, 42729414), (6, 21364707), (7, 18312606), (9, 14243138), (13, 9860634), (14, 9156303), (18, 7121569), (21, 6104202), (26, 4930317), (39, 3286878), (42, 3052101), (63, 2034734), (78, 1643439), (91, 1408662), (117, 1095626), (126, 1017367), (182, 704331), (234, 547813), (273, 469554), (546, 234777), (819, 156518), (1638, 78259)]

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