28666216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 60011280

約数和(自身を除く): 31345064

約数列:

[1, 2, 4, 8, 17, 34, 41, 53, 68, 82, 97, 106, 136, 164, 194, 212, 328, 388, 424, 697, 776, 901, 1394, 1649, 1802, 2173, 2788, 3298, 3604, 3977, 4346, 5141, 5576, 6596, 7208, 7954, 8692, 10282, 13192, 15908, 17384, 20564, 31816, 36941, 41128, 67609, 73882, 87397, 135218, 147764, 174794, 210781, 270436, 295528, 349588, 421562, 540872, 699176, 843124, 1686248, 3583277, 7166554, 14333108, 28666216]

約数ペア:

[(1, 28666216), (2, 14333108), (4, 7166554), (8, 3583277), (17, 1686248), (34, 843124), (41, 699176), (53, 540872), (68, 421562), (82, 349588), (97, 295528), (106, 270436), (136, 210781), (164, 174794), (194, 147764), (212, 135218), (328, 87397), (388, 73882), (424, 67609), (697, 41128), (776, 36941), (901, 31816), (1394, 20564), (1649, 17384), (1802, 15908), (2173, 13192), (2788, 10282), (3298, 8692), (3604, 7954), (3977, 7208), (4346, 6596), (5141, 5576)]