261639154

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{3821}}^1$

素因数の和:3970

約数の個数: 32

約数和(自身を含む): 461575296

約数和(自身を除く): 199936142

約数列:

[1, 2, 7, 14, 67, 73, 134, 146, 469, 511, 938, 1022, 3821, 4891, 7642, 9782, 26747, 34237, 53494, 68474, 256007, 278933, 512014, 557866, 1792049, 1952531, 3584098, 3905062, 18688511, 37377022, 130819577, 261639154]

約数ペア:

[(1, 261639154), (2, 130819577), (7, 37377022), (14, 18688511), (67, 3905062), (73, 3584098), (134, 1952531), (146, 1792049), (469, 557866), (511, 512014), (938, 278933), (1022, 256007), (3821, 68474), (4891, 53494), (7642, 34237), (9782, 26747)]