68640355

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 99606528

約数和(自身を除く): 30966173

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 1085, 1271, 1435, 1543, 6355, 7715, 8897, 10801, 44485, 47833, 54005, 63263, 239165, 316315, 334831, 442841, 1674155, 1961153, 2214205, 9805765, 13728071, 68640355]

約数ペア:

[(1, 68640355), (5, 13728071), (7, 9805765), (31, 2214205), (35, 1961153), (41, 1674155), (155, 442841), (205, 334831), (217, 316315), (287, 239165), (1085, 63263), (1271, 54005), (1435, 47833), (1543, 44485), (6355, 10801), (7715, 8897)]