28049264

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 57198720

約数和(自身を除く): 29149456

約数列:

[1, 2, 4, 8, 16, 29, 58, 61, 116, 122, 232, 244, 464, 488, 976, 991, 1769, 1982, 3538, 3964, 7076, 7928, 14152, 15856, 28304, 28739, 57478, 60451, 114956, 120902, 229912, 241804, 459824, 483608, 967216, 1753079, 3506158, 7012316, 14024632, 28049264]

約数ペア:

[(1, 28049264), (2, 14024632), (4, 7012316), (8, 3506158), (16, 1753079), (29, 967216), (58, 483608), (61, 459824), (116, 241804), (122, 229912), (232, 120902), (244, 114956), (464, 60451), (488, 57478), (976, 28739), (991, 28304), (1769, 15856), (1982, 14152), (3538, 7928), (3964, 7076)]