69881356

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1090

約数の個数: 36

約数和(自身を含む): 132172096

約数和(自身を除く): 62290740

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 289, 578, 991, 1037, 1156, 1982, 2074, 3964, 4148, 16847, 17629, 33694, 35258, 60451, 67388, 70516, 120902, 241804, 286399, 572798, 1027667, 1145596, 2055334, 4110668, 17470339, 34940678, 69881356]

約数ペア:

[(1, 69881356), (2, 34940678), (4, 17470339), (17, 4110668), (34, 2055334), (61, 1145596), (68, 1027667), (122, 572798), (244, 286399), (289, 241804), (578, 120902), (991, 70516), (1037, 67388), (1156, 60451), (1982, 35258), (2074, 33694), (3964, 17629), (4148, 16847)]