320211918

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{3089}}^1$

素因数の和:3553

約数の個数: 48

約数和(自身を含む): 749090160

約数和(自身を除く): 428878242

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 443, 886, 1329, 2658, 3089, 3987, 5759, 6178, 7974, 9267, 11518, 17277, 18534, 27801, 34554, 40157, 51831, 55602, 80314, 103662, 120471, 240942, 361413, 722826, 1368427, 2736854, 4105281, 8210562, 12315843, 17789551, 24631686, 35579102, 53368653, 106737306, 160105959, 320211918]

約数ペア:

[(1, 320211918), (2, 160105959), (3, 106737306), (6, 53368653), (9, 35579102), (13, 24631686), (18, 17789551), (26, 12315843), (39, 8210562), (78, 4105281), (117, 2736854), (234, 1368427), (443, 722826), (886, 361413), (1329, 240942), (2658, 120471), (3089, 103662), (3987, 80314), (5759, 55602), (6178, 51831), (7974, 40157), (9267, 34554), (11518, 27801), (17277, 18534)]