28215376

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 70609320

約数和(自身を除く): 42393944

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 34, 49, 56, 58, 68, 73, 98, 112, 116, 119, 136, 146, 196, 203, 232, 238, 272, 292, 392, 406, 464, 476, 493, 511, 584, 784, 812, 833, 952, 986, 1022, 1168, 1241, 1421, 1624, 1666, 1904, 1972, 2044, 2117, 2482, 2842, 3248, 3332, 3451, 3577, 3944, 4088, 4234, 4964, 5684, 6664, 6902, 7154, 7888, 8176, 8468, 8687, 9928, 11368, 13328, 13804, 14308, 14819, 16936, 17374, 19856, 22736, 24157, 27608, 28616, 29638, 33872, 34748, 35989, 48314, 55216, 57232, 59276, 60809, 69496, 71978, 96628, 103733, 118552, 121618, 138992, 143956, 193256, 207466, 237104, 243236, 251923, 287912, 386512, 414932, 486472, 503846, 575824, 829864, 972944, 1007692, 1659728, 1763461, 2015384, 3526922, 4030768, 7053844, 14107688, 28215376]

約数ペア:

[(1, 28215376), (2, 14107688), (4, 7053844), (7, 4030768), (8, 3526922), (14, 2015384), (16, 1763461), (17, 1659728), (28, 1007692), (29, 972944), (34, 829864), (49, 575824), (56, 503846), (58, 486472), (68, 414932), (73, 386512), (98, 287912), (112, 251923), (116, 243236), (119, 237104), (136, 207466), (146, 193256), (196, 143956), (203, 138992), (232, 121618), (238, 118552), (272, 103733), (292, 96628), (392, 71978), (406, 69496), (464, 60809), (476, 59276), (493, 57232), (511, 55216), (584, 48314), (784, 35989), (812, 34748), (833, 33872), (952, 29638), (986, 28616), (1022, 27608), (1168, 24157), (1241, 22736), (1421, 19856), (1624, 17374), (1666, 16936), (1904, 14819), (1972, 14308), (2044, 13804), (2117, 13328), (2482, 11368), (2842, 9928), (3248, 8687), (3332, 8468), (3451, 8176), (3577, 7888), (3944, 7154), (4088, 6902), (4234, 6664), (4964, 5684)]