81527210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{3329}}^1$

素因数の和:3446

約数の個数: 32

約数和(自身を含む): 153446400

約数和(自身を除く): 71919190

約数列:

[1, 2, 5, 10, 31, 62, 79, 155, 158, 310, 395, 790, 2449, 3329, 4898, 6658, 12245, 16645, 24490, 33290, 103199, 206398, 262991, 515995, 525982, 1031990, 1314955, 2629910, 8152721, 16305442, 40763605, 81527210]

約数ペア:

[(1, 81527210), (2, 40763605), (5, 16305442), (10, 8152721), (31, 2629910), (62, 1314955), (79, 1031990), (155, 525982), (158, 515995), (310, 262991), (395, 206398), (790, 103199), (2449, 33290), (3329, 24490), (4898, 16645), (6658, 12245)]