278962304

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 578054400

約数和(自身を除く): 299092096

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 229, 248, 307, 458, 496, 614, 916, 992, 1228, 1832, 1984, 2456, 3664, 3968, 4912, 7099, 7328, 9517, 9824, 14198, 14656, 19034, 19648, 28396, 29312, 38068, 39296, 56792, 70303, 76136, 113584, 140606, 152272, 227168, 281212, 304544, 454336, 562424, 609088, 908672, 1124848, 1218176, 2179393, 2249696, 4358786, 4499392, 8717572, 8998784, 17435144, 34870288, 69740576, 139481152, 278962304]

約数ペア:

[(1, 278962304), (2, 139481152), (4, 69740576), (8, 34870288), (16, 17435144), (31, 8998784), (32, 8717572), (62, 4499392), (64, 4358786), (124, 2249696), (128, 2179393), (229, 1218176), (248, 1124848), (307, 908672), (458, 609088), (496, 562424), (614, 454336), (916, 304544), (992, 281212), (1228, 227168), (1832, 152272), (1984, 140606), (2456, 113584), (3664, 76136), (3968, 70303), (4912, 56792), (7099, 39296), (7328, 38068), (9517, 29312), (9824, 28396), (14198, 19648), (14656, 19034)]