78876245

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 112680960

約数和(自身を除く): 33804715

約数列:

[1, 5, 7, 31, 35, 139, 155, 217, 523, 695, 973, 1085, 2615, 3661, 4309, 4865, 16213, 18305, 21545, 30163, 72697, 81065, 113491, 150815, 363485, 508879, 567455, 2253607, 2544395, 11268035, 15775249, 78876245]

約数ペア:

[(1, 78876245), (5, 15775249), (7, 11268035), (31, 2544395), (35, 2253607), (139, 567455), (155, 508879), (217, 363485), (523, 150815), (695, 113491), (973, 81065), (1085, 72697), (2615, 30163), (3661, 21545), (4309, 18305), (4865, 16213)]