209864538

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3631}}^1$

素因数の和:3684

約数の個数: 72

約数和(自身を含む): 518431680

約数和(自身を除く): 308567142

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 169, 171, 234, 247, 338, 342, 494, 507, 741, 1014, 1482, 1521, 2223, 3042, 3211, 3631, 4446, 6422, 7262, 9633, 10893, 19266, 21786, 28899, 32679, 47203, 57798, 65358, 68989, 94406, 137978, 141609, 206967, 283218, 413934, 424827, 613639, 620901, 849654, 896857, 1227278, 1241802, 1793714, 1840917, 2690571, 3681834, 5381142, 5522751, 8071713, 11045502, 11659141, 16143426, 23318282, 34977423, 69954846, 104932269, 209864538]

約数ペア:

[(1, 209864538), (2, 104932269), (3, 69954846), (6, 34977423), (9, 23318282), (13, 16143426), (18, 11659141), (19, 11045502), (26, 8071713), (38, 5522751), (39, 5381142), (57, 3681834), (78, 2690571), (114, 1840917), (117, 1793714), (169, 1241802), (171, 1227278), (234, 896857), (247, 849654), (338, 620901), (342, 613639), (494, 424827), (507, 413934), (741, 283218), (1014, 206967), (1482, 141609), (1521, 137978), (2223, 94406), (3042, 68989), (3211, 65358), (3631, 57798), (4446, 47203), (6422, 32679), (7262, 28899), (9633, 21786), (10893, 19266)]