209400784159

素因数分解:

$7^3\times {\mathrm{41}}^1\times {\mathrm{1259}}^1\times {\mathrm{11827}}^1$

素因数の和:13148

約数の個数: 32

約数和(自身を含む): 250375104000

約数和(自身を除く): 40974319841

約数列:

[1, 7, 41, 49, 287, 343, 1259, 2009, 8813, 11827, 14063, 51619, 61691, 82789, 361333, 431837, 484907, 579523, 2529331, 3394349, 4056661, 14890193, 17705317, 23760443, 104231351, 166323101, 610497913, 729619457, 4273485391, 5107336199, 29914397737, 209400784159]

約数ペア:

[(1, 209400784159), (7, 29914397737), (41, 5107336199), (49, 4273485391), (287, 729619457), (343, 610497913), (1259, 166323101), (2009, 104231351), (8813, 23760443), (11827, 17705317), (14063, 14890193), (51619, 4056661), (61691, 3394349), (82789, 2529331), (361333, 579523), (431837, 484907)]