778860032

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2159

約数の個数: 80

約数和(自身を含む): 1686869712

約数和(自身を除く): 908009680

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 256, 272, 344, 512, 544, 688, 731, 1088, 1376, 1462, 2081, 2176, 2752, 2924, 4162, 4352, 5504, 5848, 8324, 8704, 11008, 11696, 16648, 22016, 23392, 33296, 35377, 46784, 66592, 70754, 89483, 93568, 133184, 141508, 178966, 187136, 266368, 283016, 357932, 374272, 532736, 566032, 715864, 1065472, 1132064, 1431728, 1521211, 2264128, 2863456, 3042422, 4528256, 5726912, 6084844, 9056512, 11453824, 12169688, 18113024, 22907648, 24339376, 45815296, 48678752, 97357504, 194715008, 389430016, 778860032]

約数ペア:

[(1, 778860032), (2, 389430016), (4, 194715008), (8, 97357504), (16, 48678752), (17, 45815296), (32, 24339376), (34, 22907648), (43, 18113024), (64, 12169688), (68, 11453824), (86, 9056512), (128, 6084844), (136, 5726912), (172, 4528256), (256, 3042422), (272, 2863456), (344, 2264128), (512, 1521211), (544, 1431728), (688, 1132064), (731, 1065472), (1088, 715864), (1376, 566032), (1462, 532736), (2081, 374272), (2176, 357932), (2752, 283016), (2924, 266368), (4162, 187136), (4352, 178966), (5504, 141508), (5848, 133184), (8324, 93568), (8704, 89483), (11008, 70754), (11696, 66592), (16648, 46784), (22016, 35377), (23392, 33296)]