219400454

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1141

約数の個数: 64

約数和(自身を含む): 429821952

約数和(自身を除く): 210421498

約数列:

[1, 2, 7, 13, 14, 26, 31, 37, 62, 74, 91, 182, 217, 259, 403, 434, 481, 518, 806, 962, 1051, 1147, 2102, 2294, 2821, 3367, 5642, 6734, 7357, 8029, 13663, 14714, 14911, 16058, 27326, 29822, 32581, 38887, 65162, 77774, 95641, 104377, 191282, 208754, 228067, 272209, 423553, 456134, 505531, 544418, 847106, 1011062, 1205497, 2410994, 2964871, 3538717, 5929742, 7077434, 8438479, 15671461, 16876958, 31342922, 109700227, 219400454]

約数ペア:

[(1, 219400454), (2, 109700227), (7, 31342922), (13, 16876958), (14, 15671461), (26, 8438479), (31, 7077434), (37, 5929742), (62, 3538717), (74, 2964871), (91, 2410994), (182, 1205497), (217, 1011062), (259, 847106), (403, 544418), (434, 505531), (481, 456134), (518, 423553), (806, 272209), (962, 228067), (1051, 208754), (1147, 191282), (2102, 104377), (2294, 95641), (2821, 77774), (3367, 65162), (5642, 38887), (6734, 32581), (7357, 29822), (8029, 27326), (13663, 16058), (14714, 14911)]