1639201424

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1483}}^1$

素因数の和:1708

約数の個数: 80

約数和(自身を含む): 3709762560

約数和(自身を除く): 2070561136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 139, 142, 278, 284, 497, 556, 568, 973, 994, 1112, 1136, 1483, 1946, 1988, 2224, 2966, 3892, 3976, 5932, 7784, 7952, 9869, 10381, 11864, 15568, 19738, 20762, 23728, 39476, 41524, 69083, 78952, 83048, 105293, 138166, 157904, 166096, 206137, 210586, 276332, 412274, 421172, 552664, 737051, 824548, 842344, 1105328, 1442959, 1474102, 1649096, 1684688, 2885918, 2948204, 3298192, 5771836, 5896408, 11543672, 11792816, 14635727, 23087344, 29271454, 58542908, 102450089, 117085816, 204900178, 234171632, 409800356, 819600712, 1639201424]

約数ペア:

[(1, 1639201424), (2, 819600712), (4, 409800356), (7, 234171632), (8, 204900178), (14, 117085816), (16, 102450089), (28, 58542908), (56, 29271454), (71, 23087344), (112, 14635727), (139, 11792816), (142, 11543672), (278, 5896408), (284, 5771836), (497, 3298192), (556, 2948204), (568, 2885918), (973, 1684688), (994, 1649096), (1112, 1474102), (1136, 1442959), (1483, 1105328), (1946, 842344), (1988, 824548), (2224, 737051), (2966, 552664), (3892, 421172), (3976, 412274), (5932, 276332), (7784, 210586), (7952, 206137), (9869, 166096), (10381, 157904), (11864, 138166), (15568, 105293), (19738, 83048), (20762, 78952), (23728, 69083), (39476, 41524)]