28393372

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^2$

素因数の和:155

約数の個数: 54

約数和(自身を含む): 61084968

約数和(自身を除く): 32691596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 361, 371, 532, 722, 742, 1007, 1444, 1484, 2014, 2527, 2809, 4028, 5054, 5618, 7049, 10108, 11236, 14098, 19133, 19663, 28196, 38266, 39326, 53371, 76532, 78652, 106742, 133931, 213484, 267862, 373597, 535724, 747194, 1014049, 1494388, 2028098, 4056196, 7098343, 14196686, 28393372]

約数ペア:

[(1, 28393372), (2, 14196686), (4, 7098343), (7, 4056196), (14, 2028098), (19, 1494388), (28, 1014049), (38, 747194), (53, 535724), (76, 373597), (106, 267862), (133, 213484), (212, 133931), (266, 106742), (361, 78652), (371, 76532), (532, 53371), (722, 39326), (742, 38266), (1007, 28196), (1444, 19663), (1484, 19133), (2014, 14098), (2527, 11236), (2809, 10108), (4028, 7049), (5054, 5618)]