209963872

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 464087232

約数和(自身を除く): 254123360

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 97, 136, 173, 184, 194, 272, 346, 368, 388, 391, 544, 692, 736, 776, 782, 1384, 1552, 1564, 1649, 2231, 2768, 2941, 3104, 3128, 3298, 3979, 4462, 5536, 5882, 6256, 6596, 7958, 8924, 11764, 12512, 13192, 15916, 16781, 17848, 23528, 26384, 31832, 33562, 35696, 37927, 47056, 52768, 63664, 67124, 67643, 71392, 75854, 94112, 127328, 134248, 135286, 151708, 268496, 270572, 285277, 303416, 385963, 536992, 541144, 570554, 606832, 771926, 1082288, 1141108, 1213664, 1543852, 2164576, 2282216, 3087704, 4564432, 6175408, 6561371, 9128864, 12350816, 13122742, 26245484, 52490968, 104981936, 209963872]

約数ペア:

[(1, 209963872), (2, 104981936), (4, 52490968), (8, 26245484), (16, 13122742), (17, 12350816), (23, 9128864), (32, 6561371), (34, 6175408), (46, 4564432), (68, 3087704), (92, 2282216), (97, 2164576), (136, 1543852), (173, 1213664), (184, 1141108), (194, 1082288), (272, 771926), (346, 606832), (368, 570554), (388, 541144), (391, 536992), (544, 385963), (692, 303416), (736, 285277), (776, 270572), (782, 268496), (1384, 151708), (1552, 135286), (1564, 134248), (1649, 127328), (2231, 94112), (2768, 75854), (2941, 71392), (3104, 67643), (3128, 67124), (3298, 63664), (3979, 52768), (4462, 47056), (5536, 37927), (5882, 35696), (6256, 33562), (6596, 31832), (7958, 26384), (8924, 23528), (11764, 17848), (12512, 16781), (13192, 15916)]