28103808

素因数分解:

$2^7\times 3^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 75276000

約数和(自身を除く): 47172192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 163, 192, 326, 384, 449, 489, 652, 898, 978, 1304, 1347, 1796, 1956, 2608, 2694, 3592, 3912, 5216, 5388, 7184, 7824, 10432, 10776, 14368, 15648, 20864, 21552, 28736, 31296, 43104, 57472, 62592, 73187, 86208, 146374, 172416, 219561, 292748, 439122, 585496, 878244, 1170992, 1756488, 2341984, 3512976, 4683968, 7025952, 9367936, 14051904, 28103808]

約数ペア:

[(1, 28103808), (2, 14051904), (3, 9367936), (4, 7025952), (6, 4683968), (8, 3512976), (12, 2341984), (16, 1756488), (24, 1170992), (32, 878244), (48, 585496), (64, 439122), (96, 292748), (128, 219561), (163, 172416), (192, 146374), (326, 86208), (384, 73187), (449, 62592), (489, 57472), (652, 43104), (898, 31296), (978, 28736), (1304, 21552), (1347, 20864), (1796, 15648), (1956, 14368), (2608, 10776), (2694, 10432), (3592, 7824), (3912, 7184), (5216, 5388)]