28406336

素因数分解:

$2^6\times 7^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:571

約数の個数: 56

約数和(自身を含む): 64983360

約数和(自身を除く): 36577024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 163, 224, 326, 389, 448, 652, 778, 1141, 1304, 1556, 2282, 2608, 2723, 3112, 4564, 5216, 5446, 6224, 9128, 10432, 10892, 12448, 18256, 21784, 24896, 36512, 43568, 63407, 73024, 87136, 126814, 174272, 253628, 443849, 507256, 887698, 1014512, 1775396, 2029024, 3550792, 4058048, 7101584, 14203168, 28406336]

約数ペア:

[(1, 28406336), (2, 14203168), (4, 7101584), (7, 4058048), (8, 3550792), (14, 2029024), (16, 1775396), (28, 1014512), (32, 887698), (56, 507256), (64, 443849), (112, 253628), (163, 174272), (224, 126814), (326, 87136), (389, 73024), (448, 63407), (652, 43568), (778, 36512), (1141, 24896), (1304, 21784), (1556, 18256), (2282, 12448), (2608, 10892), (2723, 10432), (3112, 9128), (4564, 6224), (5216, 5446)]