28185014

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 72

約数和(自身を含む): 54876864

約数和(自身を除く): 26691850

約数列:

[1, 2, 11, 13, 17, 22, 26, 31, 34, 62, 121, 143, 187, 221, 242, 286, 289, 341, 374, 403, 442, 527, 578, 682, 806, 1054, 1573, 2057, 2431, 3146, 3179, 3751, 3757, 4114, 4433, 4862, 5797, 6358, 6851, 7502, 7514, 8866, 8959, 11594, 13702, 17918, 26741, 34969, 41327, 48763, 53482, 63767, 69938, 75361, 82654, 97526, 98549, 116467, 127534, 150722, 197098, 232934, 454597, 828971, 909194, 1084039, 1281137, 1657942, 2168078, 2562274, 14092507, 28185014]

約数ペア:

[(1, 28185014), (2, 14092507), (11, 2562274), (13, 2168078), (17, 1657942), (22, 1281137), (26, 1084039), (31, 909194), (34, 828971), (62, 454597), (121, 232934), (143, 197098), (187, 150722), (221, 127534), (242, 116467), (286, 98549), (289, 97526), (341, 82654), (374, 75361), (403, 69938), (442, 63767), (527, 53482), (578, 48763), (682, 41327), (806, 34969), (1054, 26741), (1573, 17918), (2057, 13702), (2431, 11594), (3146, 8959), (3179, 8866), (3751, 7514), (3757, 7502), (4114, 6851), (4433, 6358), (4862, 5797)]