28247758

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 55996416

約数和(自身を除く): 27748658

約数列:

[1, 2, 7, 11, 14, 22, 31, 61, 62, 77, 97, 122, 154, 194, 217, 341, 427, 434, 671, 679, 682, 854, 1067, 1342, 1358, 1891, 2134, 2387, 3007, 3782, 4697, 4774, 5917, 6014, 7469, 9394, 11834, 13237, 14938, 20801, 21049, 26474, 33077, 41419, 41602, 42098, 65087, 66154, 82838, 130174, 145607, 183427, 231539, 291214, 366854, 455609, 463078, 911218, 1283989, 2017697, 2567978, 4035394, 14123879, 28247758]

約数ペア:

[(1, 28247758), (2, 14123879), (7, 4035394), (11, 2567978), (14, 2017697), (22, 1283989), (31, 911218), (61, 463078), (62, 455609), (77, 366854), (97, 291214), (122, 231539), (154, 183427), (194, 145607), (217, 130174), (341, 82838), (427, 66154), (434, 65087), (671, 42098), (679, 41602), (682, 41419), (854, 33077), (1067, 26474), (1342, 21049), (1358, 20801), (1891, 14938), (2134, 13237), (2387, 11834), (3007, 9394), (3782, 7469), (4697, 6014), (4774, 5917)]