81636618

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2731

約数の個数: 64

約数和(自身を含む): 202245120

約数和(自身を除く): 120608502

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 43, 51, 86, 102, 119, 129, 238, 258, 301, 357, 602, 714, 731, 903, 1462, 1806, 2193, 2659, 4386, 5117, 5318, 7977, 10234, 15351, 15954, 18613, 30702, 37226, 45203, 55839, 90406, 111678, 114337, 135609, 228674, 271218, 316421, 343011, 632842, 686022, 800359, 949263, 1600718, 1898526, 1943729, 2401077, 3887458, 4802154, 5831187, 11662374, 13606103, 27212206, 40818309, 81636618]

約数ペア:

[(1, 81636618), (2, 40818309), (3, 27212206), (6, 13606103), (7, 11662374), (14, 5831187), (17, 4802154), (21, 3887458), (34, 2401077), (42, 1943729), (43, 1898526), (51, 1600718), (86, 949263), (102, 800359), (119, 686022), (129, 632842), (238, 343011), (258, 316421), (301, 271218), (357, 228674), (602, 135609), (714, 114337), (731, 111678), (903, 90406), (1462, 55839), (1806, 45203), (2193, 37226), (2659, 30702), (4386, 18613), (5117, 15954), (5318, 15351), (7977, 10234)]