28765408

素因数分解:

$2^5\times 7^1\times {\mathrm{281}}^1\times {\mathrm{457}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 65094624

約数和(自身を除く): 36329216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 281, 457, 562, 914, 1124, 1828, 1967, 2248, 3199, 3656, 3934, 4496, 6398, 7312, 7868, 8992, 12796, 14624, 15736, 25592, 31472, 51184, 62944, 102368, 128417, 256834, 513668, 898919, 1027336, 1797838, 2054672, 3595676, 4109344, 7191352, 14382704, 28765408]

約数ペア:

[(1, 28765408), (2, 14382704), (4, 7191352), (7, 4109344), (8, 3595676), (14, 2054672), (16, 1797838), (28, 1027336), (32, 898919), (56, 513668), (112, 256834), (224, 128417), (281, 102368), (457, 62944), (562, 51184), (914, 31472), (1124, 25592), (1828, 15736), (1967, 14624), (2248, 12796), (3199, 8992), (3656, 7868), (3934, 7312), (4496, 6398)]