64938538

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{971}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 118412928

約数和(自身を除く): 53474390

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 281, 562, 971, 1942, 1967, 3934, 4777, 6797, 9554, 13594, 16507, 33014, 33439, 66878, 115549, 231098, 272851, 545702, 1909957, 3819914, 4638467, 9276934, 32469269, 64938538]

約数ペア:

[(1, 64938538), (2, 32469269), (7, 9276934), (14, 4638467), (17, 3819914), (34, 1909957), (119, 545702), (238, 272851), (281, 231098), (562, 115549), (971, 66878), (1942, 33439), (1967, 33014), (3934, 16507), (4777, 13594), (6797, 9554)]