251461212

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2411

約数の個数: 72

約数和(自身を含む): 643668480

約数和(自身を除く): 392207268

約数列:

[1, 2, 3, 4, 6, 12, 17, 31, 34, 51, 62, 68, 93, 102, 124, 186, 204, 289, 372, 527, 578, 867, 1054, 1156, 1581, 1734, 2108, 2339, 3162, 3468, 4678, 6324, 7017, 8959, 9356, 14034, 17918, 26877, 28068, 35836, 39763, 53754, 72509, 79526, 107508, 119289, 145018, 159052, 217527, 238578, 290036, 435054, 477156, 675971, 870108, 1232653, 1351942, 2027913, 2465306, 2703884, 3697959, 4055826, 4930612, 7395918, 8111652, 14791836, 20955101, 41910202, 62865303, 83820404, 125730606, 251461212]

約数ペア:

[(1, 251461212), (2, 125730606), (3, 83820404), (4, 62865303), (6, 41910202), (12, 20955101), (17, 14791836), (31, 8111652), (34, 7395918), (51, 4930612), (62, 4055826), (68, 3697959), (93, 2703884), (102, 2465306), (124, 2027913), (186, 1351942), (204, 1232653), (289, 870108), (372, 675971), (527, 477156), (578, 435054), (867, 290036), (1054, 238578), (1156, 217527), (1581, 159052), (1734, 145018), (2108, 119289), (2339, 107508), (3162, 79526), (3468, 72509), (4678, 53754), (6324, 39763), (7017, 35836), (8959, 28068), (9356, 26877), (14034, 17918)]