445818064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{2557}}^1$

素因数の和:3223

約数の個数: 40

約数和(自身を含む): 916367688

約数和(自身を除く): 470549624

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 641, 1282, 2557, 2564, 5114, 5128, 10228, 10256, 10897, 20456, 21794, 40912, 43469, 43588, 86938, 87176, 173876, 174352, 347752, 695504, 1639037, 3278074, 6556148, 13112296, 26224592, 27863629, 55727258, 111454516, 222909032, 445818064]

約数ペア:

[(1, 445818064), (2, 222909032), (4, 111454516), (8, 55727258), (16, 27863629), (17, 26224592), (34, 13112296), (68, 6556148), (136, 3278074), (272, 1639037), (641, 695504), (1282, 347752), (2557, 174352), (2564, 173876), (5114, 87176), (5128, 86938), (10228, 43588), (10256, 43469), (10897, 40912), (20456, 21794)]