About the Number

129418128

129418127 ← → 129418129

2進数表記:111101101101100001110010000

漢数字表記:一億二千九百四十一万八千百二十八

素因数分解:

2 4 × 3 3 × 7 1 × 42797 1

素因数の和:42821
約数の個数: 80
約数和(自身を含む): 424556160
約数和(自身を除く): 295138032

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 42797, 85594, 128391, 171188, 256782, 299579, 342376, 385173, 513564, 599158, 684752, 770346, 898737, 1027128, 1155519, 1198316, 1540692, 1797474, 2054256, 2311038, 2396632, 2696211, 3081384, 3594948, 4622076, 4793264, 5392422, 6162768, 7189896, 8088633, 9244152, 10784844, 14379792, 16177266, 18488304, 21569688, 32354532, 43139376, 64709064, 129418128]

約数ペア:
[(1, 129418128), (2, 64709064), (3, 43139376), (4, 32354532), (6, 21569688), (7, 18488304), (8, 16177266), (9, 14379792), (12, 10784844), (14, 9244152), (16, 8088633), (18, 7189896), (21, 6162768), (24, 5392422), (27, 4793264), (28, 4622076), (36, 3594948), (42, 3081384), (48, 2696211), (54, 2396632), (56, 2311038), (63, 2054256), (72, 1797474), (84, 1540692), (108, 1198316), (112, 1155519), (126, 1027128), (144, 898737), (168, 770346), (189, 684752), (216, 599158), (252, 513564), (336, 385173), (378, 342376), (432, 299579), (504, 256782), (756, 171188), (1008, 128391), (1512, 85594), (3024, 42797)]

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