1981819136

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{1171}}^1$

素因数の和:1799

約数の個数: 72

約数和(自身を含む): 4326395808

約数和(自身を除く): 2344576672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 601, 704, 1171, 1202, 1408, 2342, 2404, 2816, 4684, 4808, 6611, 9368, 9616, 12881, 13222, 18736, 19232, 25762, 26444, 37472, 38464, 51524, 52888, 74944, 76928, 103048, 105776, 149888, 153856, 206096, 211552, 299776, 412192, 423104, 703771, 824384, 846208, 1407542, 1648768, 1692416, 2815084, 3297536, 5630168, 7741481, 11260336, 15482962, 22520672, 30965924, 45041344, 61931848, 90082688, 123863696, 180165376, 247727392, 495454784, 990909568, 1981819136]

約数ペア:

[(1, 1981819136), (2, 990909568), (4, 495454784), (8, 247727392), (11, 180165376), (16, 123863696), (22, 90082688), (32, 61931848), (44, 45041344), (64, 30965924), (88, 22520672), (128, 15482962), (176, 11260336), (256, 7741481), (352, 5630168), (601, 3297536), (704, 2815084), (1171, 1692416), (1202, 1648768), (1408, 1407542), (2342, 846208), (2404, 824384), (2816, 703771), (4684, 423104), (4808, 412192), (6611, 299776), (9368, 211552), (9616, 206096), (12881, 153856), (13222, 149888), (18736, 105776), (19232, 103048), (25762, 76928), (26444, 74944), (37472, 52888), (38464, 51524)]