2562181881

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 4033970304

約数和(自身を除く): 1471788423

約数列:

[1, 3, 7, 21, 41, 123, 181, 287, 401, 543, 861, 1203, 1267, 1681, 2807, 3801, 5043, 7421, 8421, 11767, 16441, 22263, 35301, 49323, 51947, 72581, 115087, 155841, 217743, 304261, 345261, 508067, 674081, 912783, 1524201, 2022243, 2129827, 2975821, 4718567, 6389481, 8927463, 14155701, 20830747, 62492241, 122008661, 366025983, 854060627, 2562181881]

約数ペア:

[(1, 2562181881), (3, 854060627), (7, 366025983), (21, 122008661), (41, 62492241), (123, 20830747), (181, 14155701), (287, 8927463), (401, 6389481), (543, 4718567), (861, 2975821), (1203, 2129827), (1267, 2022243), (1681, 1524201), (2807, 912783), (3801, 674081), (5043, 508067), (7421, 345261), (8421, 304261), (11767, 217743), (16441, 155841), (22263, 115087), (35301, 72581), (49323, 51947)]