205057808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 440971776

約数和(自身を除く): 235913968

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 83, 124, 136, 166, 248, 272, 293, 332, 496, 527, 586, 664, 1054, 1172, 1328, 1411, 2108, 2344, 2573, 2822, 4216, 4688, 4981, 5146, 5644, 8432, 9083, 9962, 10292, 11288, 18166, 19924, 20584, 22576, 24319, 36332, 39848, 41168, 43741, 48638, 72664, 79696, 87482, 97276, 145328, 154411, 174964, 194552, 308822, 349928, 389104, 413423, 617644, 699856, 753889, 826846, 1235288, 1507778, 1653692, 2470576, 3015556, 3307384, 6031112, 6614768, 12062224, 12816113, 25632226, 51264452, 102528904, 205057808]

約数ペア:

[(1, 205057808), (2, 102528904), (4, 51264452), (8, 25632226), (16, 12816113), (17, 12062224), (31, 6614768), (34, 6031112), (62, 3307384), (68, 3015556), (83, 2470576), (124, 1653692), (136, 1507778), (166, 1235288), (248, 826846), (272, 753889), (293, 699856), (332, 617644), (496, 413423), (527, 389104), (586, 349928), (664, 308822), (1054, 194552), (1172, 174964), (1328, 154411), (1411, 145328), (2108, 97276), (2344, 87482), (2573, 79696), (2822, 72664), (4216, 48638), (4688, 43741), (4981, 41168), (5146, 39848), (5644, 36332), (8432, 24319), (9083, 22576), (9962, 20584), (10292, 19924), (11288, 18166)]