251158712

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 579895200

約数和(自身を除く): 328736488

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 89, 92, 98, 161, 178, 184, 196, 313, 322, 356, 392, 623, 626, 644, 712, 1127, 1246, 1252, 1288, 2047, 2191, 2254, 2492, 2504, 4094, 4361, 4382, 4508, 4984, 7199, 8188, 8722, 8764, 9016, 14329, 14398, 15337, 16376, 17444, 17528, 27857, 28658, 28796, 30674, 34888, 50393, 55714, 57316, 57592, 61348, 100303, 100786, 111428, 114632, 122696, 194999, 200606, 201572, 222856, 352751, 389998, 401212, 403144, 640711, 705502, 779996, 802424, 1281422, 1364993, 1411004, 1559992, 2562844, 2729986, 2822008, 4484977, 5125688, 5459972, 8969954, 10919944, 17939908, 31394839, 35879816, 62789678, 125579356, 251158712]

約数ペア:

[(1, 251158712), (2, 125579356), (4, 62789678), (7, 35879816), (8, 31394839), (14, 17939908), (23, 10919944), (28, 8969954), (46, 5459972), (49, 5125688), (56, 4484977), (89, 2822008), (92, 2729986), (98, 2562844), (161, 1559992), (178, 1411004), (184, 1364993), (196, 1281422), (313, 802424), (322, 779996), (356, 705502), (392, 640711), (623, 403144), (626, 401212), (644, 389998), (712, 352751), (1127, 222856), (1246, 201572), (1252, 200606), (1288, 194999), (2047, 122696), (2191, 114632), (2254, 111428), (2492, 100786), (2504, 100303), (4094, 61348), (4361, 57592), (4382, 57316), (4508, 55714), (4984, 50393), (7199, 34888), (8188, 30674), (8722, 28796), (8764, 28658), (9016, 27857), (14329, 17528), (14398, 17444), (15337, 16376)]