About the Number

1213128

1213127 ← → 1213129

2進数表記:100101000001011001000

漢数字表記:百二十一万三千百二十八

素因数分解:

2 3 × 3 2 × 7 1 × 29 1 × 83 1

素因数の和:131
約数の個数: 96
約数和(自身を含む): 3931200
約数和(自身を除く): 2718072

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 42, 56, 58, 63, 72, 83, 84, 87, 116, 126, 166, 168, 174, 203, 232, 249, 252, 261, 332, 348, 406, 498, 504, 522, 581, 609, 664, 696, 747, 812, 996, 1044, 1162, 1218, 1494, 1624, 1743, 1827, 1992, 2088, 2324, 2407, 2436, 2988, 3486, 3654, 4648, 4814, 4872, 5229, 5976, 6972, 7221, 7308, 9628, 10458, 13944, 14442, 14616, 16849, 19256, 20916, 21663, 28884, 33698, 41832, 43326, 50547, 57768, 67396, 86652, 101094, 134792, 151641, 173304, 202188, 303282, 404376, 606564, 1213128]

約数ペア:
[(1, 1213128), (2, 606564), (3, 404376), (4, 303282), (6, 202188), (7, 173304), (8, 151641), (9, 134792), (12, 101094), (14, 86652), (18, 67396), (21, 57768), (24, 50547), (28, 43326), (29, 41832), (36, 33698), (42, 28884), (56, 21663), (58, 20916), (63, 19256), (72, 16849), (83, 14616), (84, 14442), (87, 13944), (116, 10458), (126, 9628), (166, 7308), (168, 7221), (174, 6972), (203, 5976), (232, 5229), (249, 4872), (252, 4814), (261, 4648), (332, 3654), (348, 3486), (406, 2988), (498, 2436), (504, 2407), (522, 2324), (581, 2088), (609, 1992), (664, 1827), (696, 1743), (747, 1624), (812, 1494), (996, 1218), (1044, 1162)]

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