251091567376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{86579}}^1$

素因数の和:86864

約数の個数: 80

約数和(自身を含む): 533875829760

約数和(自身を除く): 282784262384

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 191, 208, 292, 382, 584, 764, 949, 1168, 1528, 1898, 2483, 3056, 3796, 4966, 7592, 9932, 13943, 15184, 19864, 27886, 39728, 55772, 86579, 111544, 173158, 181259, 223088, 346316, 362518, 692632, 725036, 1125527, 1385264, 1450072, 2251054, 2900144, 4502108, 6320267, 9004216, 12640534, 16536589, 18008432, 25281068, 33073178, 50562136, 66146356, 82163471, 101124272, 132292712, 164326942, 214975657, 264585424, 328653884, 429951314, 657307768, 859902628, 1207170997, 1314615536, 1719805256, 2414341994, 3439610512, 4828683988, 9657367976, 15693222961, 19314735952, 31386445922, 62772891844, 125545783688, 251091567376]

約数ペア:

[(1, 251091567376), (2, 125545783688), (4, 62772891844), (8, 31386445922), (13, 19314735952), (16, 15693222961), (26, 9657367976), (52, 4828683988), (73, 3439610512), (104, 2414341994), (146, 1719805256), (191, 1314615536), (208, 1207170997), (292, 859902628), (382, 657307768), (584, 429951314), (764, 328653884), (949, 264585424), (1168, 214975657), (1528, 164326942), (1898, 132292712), (2483, 101124272), (3056, 82163471), (3796, 66146356), (4966, 50562136), (7592, 33073178), (9932, 25281068), (13943, 18008432), (15184, 16536589), (19864, 12640534), (27886, 9004216), (39728, 6320267), (55772, 4502108), (86579, 2900144), (111544, 2251054), (173158, 1450072), (181259, 1385264), (223088, 1125527), (346316, 725036), (362518, 692632)]