281996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 635040

約数和(自身を除く): 353044

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 29, 34, 44, 52, 58, 68, 116, 143, 187, 221, 286, 319, 374, 377, 442, 493, 572, 638, 748, 754, 884, 986, 1276, 1508, 1972, 2431, 4147, 4862, 5423, 6409, 8294, 9724, 10846, 12818, 16588, 21692, 25636, 70499, 140998, 281996]

約数ペア:

[(1, 281996), (2, 140998), (4, 70499), (11, 25636), (13, 21692), (17, 16588), (22, 12818), (26, 10846), (29, 9724), (34, 8294), (44, 6409), (52, 5423), (58, 4862), (68, 4147), (116, 2431), (143, 1972), (187, 1508), (221, 1276), (286, 986), (319, 884), (374, 754), (377, 748), (442, 638), (493, 572)]