221761904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{683}}^1$

素因数の和:934

約数の個数: 80

約数和(自身を含む): 531965952

約数和(自身を除く): 310204048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 223, 364, 446, 683, 728, 892, 1366, 1456, 1561, 1784, 2732, 2899, 3122, 3568, 4781, 5464, 5798, 6244, 8879, 9562, 10928, 11596, 12488, 17758, 19124, 20293, 23192, 24976, 35516, 38248, 40586, 46384, 62153, 71032, 76496, 81172, 124306, 142064, 152309, 162344, 248612, 304618, 324688, 497224, 609236, 994448, 1066163, 1218472, 1980017, 2132326, 2436944, 3960034, 4264652, 7920068, 8529304, 13860119, 15840136, 17058608, 27720238, 31680272, 55440476, 110880952, 221761904]

約数ペア:

[(1, 221761904), (2, 110880952), (4, 55440476), (7, 31680272), (8, 27720238), (13, 17058608), (14, 15840136), (16, 13860119), (26, 8529304), (28, 7920068), (52, 4264652), (56, 3960034), (91, 2436944), (104, 2132326), (112, 1980017), (182, 1218472), (208, 1066163), (223, 994448), (364, 609236), (446, 497224), (683, 324688), (728, 304618), (892, 248612), (1366, 162344), (1456, 152309), (1561, 142064), (1784, 124306), (2732, 81172), (2899, 76496), (3122, 71032), (3568, 62153), (4781, 46384), (5464, 40586), (5798, 38248), (6244, 35516), (8879, 24976), (9562, 23192), (10928, 20293), (11596, 19124), (12488, 17758)]