28271724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1427}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 71651328

約数和(自身を除く): 43379604

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1427, 1524, 1651, 2854, 3302, 4281, 4953, 5708, 6604, 8562, 9906, 17124, 18551, 19812, 37102, 55653, 74204, 111306, 181229, 222612, 362458, 543687, 724916, 1087374, 2174748, 2355977, 4711954, 7067931, 9423908, 14135862, 28271724]

約数ペア:

[(1, 28271724), (2, 14135862), (3, 9423908), (4, 7067931), (6, 4711954), (12, 2355977), (13, 2174748), (26, 1087374), (39, 724916), (52, 543687), (78, 362458), (127, 222612), (156, 181229), (254, 111306), (381, 74204), (508, 55653), (762, 37102), (1427, 19812), (1524, 18551), (1651, 17124), (2854, 9906), (3302, 8562), (4281, 6604), (4953, 5708)]