About the Number

128416428

128416427 ← → 128416429

2進数表記:111101001110111101010101100

漢数字表記:一億二千八百四十一万六千四百二十八

素因数分解:

2 2 × 3 4 × 7 1 × 41 1 × 1381 1

素因数の和:1445
約数の個数: 120
約数和(自身を含む): 393306144
約数和(自身を除く): 264889716

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 81, 82, 84, 108, 123, 126, 162, 164, 189, 246, 252, 287, 324, 369, 378, 492, 567, 574, 738, 756, 861, 1107, 1134, 1148, 1381, 1476, 1722, 2214, 2268, 2583, 2762, 3321, 3444, 4143, 4428, 5166, 5524, 6642, 7749, 8286, 9667, 10332, 12429, 13284, 15498, 16572, 19334, 23247, 24858, 29001, 30996, 37287, 38668, 46494, 49716, 56621, 58002, 74574, 87003, 92988, 111861, 113242, 116004, 149148, 169863, 174006, 223722, 226484, 261009, 339726, 348012, 396347, 447444, 509589, 522018, 679452, 783027, 792694, 1019178, 1044036, 1189041, 1528767, 1566054, 1585388, 2038356, 2378082, 3057534, 3132108, 3567123, 4586301, 4756164, 6115068, 7134246, 9172602, 10701369, 14268492, 18345204, 21402738, 32104107, 42805476, 64208214, 128416428]

約数ペア:
[(1, 128416428), (2, 64208214), (3, 42805476), (4, 32104107), (6, 21402738), (7, 18345204), (9, 14268492), (12, 10701369), (14, 9172602), (18, 7134246), (21, 6115068), (27, 4756164), (28, 4586301), (36, 3567123), (41, 3132108), (42, 3057534), (54, 2378082), (63, 2038356), (81, 1585388), (82, 1566054), (84, 1528767), (108, 1189041), (123, 1044036), (126, 1019178), (162, 792694), (164, 783027), (189, 679452), (246, 522018), (252, 509589), (287, 447444), (324, 396347), (369, 348012), (378, 339726), (492, 261009), (567, 226484), (574, 223722), (738, 174006), (756, 169863), (861, 149148), (1107, 116004), (1134, 113242), (1148, 111861), (1381, 92988), (1476, 87003), (1722, 74574), (2214, 58002), (2268, 56621), (2583, 49716), (2762, 46494), (3321, 38668), (3444, 37287), (4143, 30996), (4428, 29001), (5166, 24858), (5524, 23247), (6642, 19334), (7749, 16572), (8286, 15498), (9667, 13284), (10332, 12429)]

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