2721167004790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{997}}^1\times {\mathrm{124231}}^1$

素因数の和:125274

約数の個数: 64

約数和(自身を含む): 5311454682240

約数和(自身を除く): 2590287677450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 997, 1690, 1994, 2197, 4394, 4985, 9970, 10985, 12961, 21970, 25922, 64805, 124231, 129610, 168493, 248462, 336986, 621155, 842465, 1242310, 1615003, 1684930, 2190409, 3230006, 4380818, 8075015, 10952045, 16150030, 20995039, 21904090, 41990078, 104975195, 123858307, 209950390, 247716614, 272935507, 545871014, 619291535, 1238583070, 1364677535, 1610157991, 2729355070, 3220315982, 8050789955, 16101579910, 20932053883, 41864107766, 104660269415, 209320538830, 272116700479, 544233400958, 1360583502395, 2721167004790]

約数ペア:

[(1, 2721167004790), (2, 1360583502395), (5, 544233400958), (10, 272116700479), (13, 209320538830), (26, 104660269415), (65, 41864107766), (130, 20932053883), (169, 16101579910), (338, 8050789955), (845, 3220315982), (997, 2729355070), (1690, 1610157991), (1994, 1364677535), (2197, 1238583070), (4394, 619291535), (4985, 545871014), (9970, 272935507), (10985, 247716614), (12961, 209950390), (21970, 123858307), (25922, 104975195), (64805, 41990078), (124231, 21904090), (129610, 20995039), (168493, 16150030), (248462, 10952045), (336986, 8075015), (621155, 4380818), (842465, 3230006), (1242310, 2190409), (1615003, 1684930)]