31130128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:811

約数の個数: 40

約数和(自身を含む): 64301688

約数和(自身を除く): 33171560

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 193, 272, 386, 593, 772, 1186, 1544, 2372, 3088, 3281, 4744, 6562, 9488, 10081, 13124, 20162, 26248, 40324, 52496, 80648, 114449, 161296, 228898, 457796, 915592, 1831184, 1945633, 3891266, 7782532, 15565064, 31130128]

約数ペア:

[(1, 31130128), (2, 15565064), (4, 7782532), (8, 3891266), (16, 1945633), (17, 1831184), (34, 915592), (68, 457796), (136, 228898), (193, 161296), (272, 114449), (386, 80648), (593, 52496), (772, 40324), (1186, 26248), (1544, 20162), (2372, 13124), (3088, 10081), (3281, 9488), (4744, 6562)]