About the Number

1388973728912

1388973728911 ← → 1388973728913

2進数表記:10100001101100101010010010010010010010000

漢数字表記:一兆三千八百八十九億七千三百七十二万八千九百十二

素因数分解:

2 4 × 7 1 × 11 1 × 223 1 × 5055667 1

素因数の和:5055916
約数の個数: 80
約数和(自身を含む): 3370229624832
約数和(自身を除く): 1981255895920

約数列:
[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 223, 308, 446, 616, 892, 1232, 1561, 1784, 2453, 3122, 3568, 4906, 6244, 9812, 12488, 17171, 19624, 24976, 34342, 39248, 68684, 137368, 274736, 5055667, 10111334, 20222668, 35389669, 40445336, 55612337, 70779338, 80890672, 111224674, 141558676, 222449348, 283117352, 389286359, 444898696, 566234704, 778572718, 889797392, 1127413741, 1557145436, 2254827482, 3114290872, 4509654964, 6228581744, 7891896187, 9019309928, 12401551151, 15783792374, 18038619856, 24803102302, 31567584748, 49606204604, 63135169496, 86810858057, 99212409208, 126270338992, 173621716114, 198424818416, 347243432228, 694486864456, 1388973728912]

約数ペア:
[(1, 1388973728912), (2, 694486864456), (4, 347243432228), (7, 198424818416), (8, 173621716114), (11, 126270338992), (14, 99212409208), (16, 86810858057), (22, 63135169496), (28, 49606204604), (44, 31567584748), (56, 24803102302), (77, 18038619856), (88, 15783792374), (112, 12401551151), (154, 9019309928), (176, 7891896187), (223, 6228581744), (308, 4509654964), (446, 3114290872), (616, 2254827482), (892, 1557145436), (1232, 1127413741), (1561, 889797392), (1784, 778572718), (2453, 566234704), (3122, 444898696), (3568, 389286359), (4906, 283117352), (6244, 222449348), (9812, 141558676), (12488, 111224674), (17171, 80890672), (19624, 70779338), (24976, 55612337), (34342, 40445336), (39248, 35389669), (68684, 20222668), (137368, 10111334), (274736, 5055667)]

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