About the Number

551428031

551428030 ← → 551428032

2進数表記:100000110111100001111110111111

漢数字表記:五億五千百四十二万八千三十一

素因数分解:

7 1 × 11 1 × 17 1 × 31 1 × 107 1 × 127 1

素因数の和:300
約数の個数: 64
約数和(自身を含む): 764411904
約数和(自身を除く): 212983873

約数列:
[1, 7, 11, 17, 31, 77, 107, 119, 127, 187, 217, 341, 527, 749, 889, 1177, 1309, 1397, 1819, 2159, 2387, 3317, 3689, 3937, 5797, 8239, 9779, 12733, 13589, 15113, 20009, 23219, 23749, 27559, 36487, 40579, 43307, 56389, 66929, 95123, 140063, 149479, 166243, 231013, 255409, 303149, 394723, 421259, 468503, 620279, 736219, 1046353, 1617091, 2541143, 2948813, 4341953, 4633849, 5153533, 7161403, 17788001, 32436943, 50129821, 78775433, 551428031]

約数ペア:
[(1, 551428031), (7, 78775433), (11, 50129821), (17, 32436943), (31, 17788001), (77, 7161403), (107, 5153533), (119, 4633849), (127, 4341953), (187, 2948813), (217, 2541143), (341, 1617091), (527, 1046353), (749, 736219), (889, 620279), (1177, 468503), (1309, 421259), (1397, 394723), (1819, 303149), (2159, 255409), (2387, 231013), (3317, 166243), (3689, 149479), (3937, 140063), (5797, 95123), (8239, 66929), (9779, 56389), (12733, 43307), (13589, 40579), (15113, 36487), (20009, 27559), (23219, 23749)]

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