31218288

素因数分解:

$2^4\times 3^1\times {\mathrm{139}}^1\times {\mathrm{4679}}^1$

素因数の和:4829

約数の個数: 40

約数和(自身を含む): 81244800

約数和(自身を除く): 50026512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 139, 278, 417, 556, 834, 1112, 1668, 2224, 3336, 4679, 6672, 9358, 14037, 18716, 28074, 37432, 56148, 74864, 112296, 224592, 650381, 1300762, 1951143, 2601524, 3902286, 5203048, 7804572, 10406096, 15609144, 31218288]

約数ペア:

[(1, 31218288), (2, 15609144), (3, 10406096), (4, 7804572), (6, 5203048), (8, 3902286), (12, 2601524), (16, 1951143), (24, 1300762), (48, 650381), (139, 224592), (278, 112296), (417, 74864), (556, 56148), (834, 37432), (1112, 28074), (1668, 18716), (2224, 14037), (3336, 9358), (4679, 6672)]