12856721079

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 18787811328

約数和(自身を除く): 5931090249

約数列:

[1, 3, 23, 47, 53, 69, 131, 141, 159, 393, 571, 1081, 1219, 1713, 2491, 3013, 3243, 3657, 6157, 6943, 7473, 9039, 13133, 18471, 20829, 26837, 30263, 39399, 57293, 74801, 80511, 90789, 141611, 159689, 171879, 224403, 326321, 424833, 479067, 617251, 696049, 978963, 1422361, 1720423, 1851753, 2088147, 3515647, 3964453, 4267083, 5161269, 7505383, 10546941, 11893359, 22516149, 32714303, 80859881, 91182419, 98142909, 186329291, 242579643, 273547257, 558987873, 4285573693, 12856721079]

約数ペア:

[(1, 12856721079), (3, 4285573693), (23, 558987873), (47, 273547257), (53, 242579643), (69, 186329291), (131, 98142909), (141, 91182419), (159, 80859881), (393, 32714303), (571, 22516149), (1081, 11893359), (1219, 10546941), (1713, 7505383), (2491, 5161269), (3013, 4267083), (3243, 3964453), (3657, 3515647), (6157, 2088147), (6943, 1851753), (7473, 1720423), (9039, 1422361), (13133, 978963), (18471, 696049), (20829, 617251), (26837, 479067), (30263, 424833), (39399, 326321), (57293, 224403), (74801, 171879), (80511, 159689), (90789, 141611)]