263748928

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:695

約数の個数: 56

約数和(自身を含む): 539130240

約数和(自身を除く): 275381312

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 239, 344, 401, 478, 688, 802, 956, 1376, 1604, 1912, 2752, 3208, 3824, 6416, 7648, 10277, 12832, 15296, 17243, 20554, 25664, 34486, 41108, 68972, 82216, 95839, 137944, 164432, 191678, 275888, 328864, 383356, 551776, 657728, 766712, 1103552, 1533424, 3066848, 4121077, 6133696, 8242154, 16484308, 32968616, 65937232, 131874464, 263748928]

約数ペア:

[(1, 263748928), (2, 131874464), (4, 65937232), (8, 32968616), (16, 16484308), (32, 8242154), (43, 6133696), (64, 4121077), (86, 3066848), (172, 1533424), (239, 1103552), (344, 766712), (401, 657728), (478, 551776), (688, 383356), (802, 328864), (956, 275888), (1376, 191678), (1604, 164432), (1912, 137944), (2752, 95839), (3208, 82216), (3824, 68972), (6416, 41108), (7648, 34486), (10277, 25664), (12832, 20554), (15296, 17243)]