28618395

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 53343360

約数和(自身を除く): 24724965

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 89, 97, 195, 221, 255, 267, 291, 445, 485, 663, 1105, 1157, 1261, 1335, 1455, 1513, 1649, 3315, 3471, 3783, 4539, 4947, 5785, 6305, 7565, 8245, 8633, 17355, 18915, 19669, 21437, 22695, 24735, 25899, 43165, 59007, 64311, 98345, 107185, 112229, 129495, 146761, 295035, 321555, 336687, 440283, 561145, 733805, 1683435, 1907893, 2201415, 5723679, 9539465, 28618395]

約数ペア:

[(1, 28618395), (3, 9539465), (5, 5723679), (13, 2201415), (15, 1907893), (17, 1683435), (39, 733805), (51, 561145), (65, 440283), (85, 336687), (89, 321555), (97, 295035), (195, 146761), (221, 129495), (255, 112229), (267, 107185), (291, 98345), (445, 64311), (485, 59007), (663, 43165), (1105, 25899), (1157, 24735), (1261, 22695), (1335, 21437), (1455, 19669), (1513, 18915), (1649, 17355), (3315, 8633), (3471, 8245), (3783, 7565), (4539, 6305), (4947, 5785)]