81571910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{1901}}^1$

素因数の和:2528

約数の個数: 32

約数和(自身を含む): 168167232

約数和(自身を除く): 86595322

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 613, 1226, 1901, 3065, 3802, 4291, 6130, 8582, 9505, 13307, 19010, 21455, 26614, 42910, 66535, 133070, 1165313, 2330626, 5826565, 8157191, 11653130, 16314382, 40785955, 81571910]

約数ペア:

[(1, 81571910), (2, 40785955), (5, 16314382), (7, 11653130), (10, 8157191), (14, 5826565), (35, 2330626), (70, 1165313), (613, 133070), (1226, 66535), (1901, 42910), (3065, 26614), (3802, 21455), (4291, 19010), (6130, 13307), (8582, 9505)]