81913056

素因数分解:

$2^5\times 3^1\times {\mathrm{643}}^1\times {\mathrm{1327}}^1$

素因数の和:1983

約数の個数: 48

約数和(自身を含む): 215518464

約数和(自身を除く): 133605408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 643, 1286, 1327, 1929, 2572, 2654, 3858, 3981, 5144, 5308, 7716, 7962, 10288, 10616, 15432, 15924, 20576, 21232, 30864, 31848, 42464, 61728, 63696, 127392, 853261, 1706522, 2559783, 3413044, 5119566, 6826088, 10239132, 13652176, 20478264, 27304352, 40956528, 81913056]

約数ペア:

[(1, 81913056), (2, 40956528), (3, 27304352), (4, 20478264), (6, 13652176), (8, 10239132), (12, 6826088), (16, 5119566), (24, 3413044), (32, 2559783), (48, 1706522), (96, 853261), (643, 127392), (1286, 63696), (1327, 61728), (1929, 42464), (2572, 31848), (2654, 30864), (3858, 21232), (3981, 20576), (5144, 15924), (5308, 15432), (7716, 10616), (7962, 10288)]