25391574

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:542

約数の個数: 72

約数和(自身を含む): 63205272

約数和(自身を除く): 37813698

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 169, 221, 234, 306, 338, 442, 491, 507, 663, 982, 1014, 1326, 1473, 1521, 1989, 2873, 2946, 3042, 3978, 4419, 5746, 6383, 8347, 8619, 8838, 12766, 16694, 17238, 19149, 25041, 25857, 38298, 50082, 51714, 57447, 75123, 82979, 108511, 114894, 150246, 165958, 217022, 248937, 325533, 497874, 651066, 746811, 976599, 1410643, 1493622, 1953198, 2821286, 4231929, 8463858, 12695787, 25391574]

約数ペア:

[(1, 25391574), (2, 12695787), (3, 8463858), (6, 4231929), (9, 2821286), (13, 1953198), (17, 1493622), (18, 1410643), (26, 976599), (34, 746811), (39, 651066), (51, 497874), (78, 325533), (102, 248937), (117, 217022), (153, 165958), (169, 150246), (221, 114894), (234, 108511), (306, 82979), (338, 75123), (442, 57447), (491, 51714), (507, 50082), (663, 38298), (982, 25857), (1014, 25041), (1326, 19149), (1473, 17238), (1521, 16694), (1989, 12766), (2873, 8838), (2946, 8619), (3042, 8347), (3978, 6383), (4419, 5746)]