13478072

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:527

約数の個数: 32

約数和(自身を含む): 26114400

約数和(自身を除く): 12636328

約数列:

[1, 2, 4, 8, 61, 71, 122, 142, 244, 284, 389, 488, 568, 778, 1556, 3112, 4331, 8662, 17324, 23729, 27619, 34648, 47458, 55238, 94916, 110476, 189832, 220952, 1684759, 3369518, 6739036, 13478072]

約数ペア:

[(1, 13478072), (2, 6739036), (4, 3369518), (8, 1684759), (61, 220952), (71, 189832), (122, 110476), (142, 94916), (244, 55238), (284, 47458), (389, 34648), (488, 27619), (568, 23729), (778, 17324), (1556, 8662), (3112, 4331)]