138851461

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 174182400

約数和(自身を除く): 35330939

約数列:

[1, 7, 17, 41, 119, 149, 191, 287, 697, 1043, 1337, 2533, 3247, 4879, 6109, 7831, 17731, 22729, 28459, 42763, 54817, 103853, 133127, 199213, 483803, 726971, 931889, 1166819, 3386621, 8167733, 19835923, 138851461]

約数ペア:

[(1, 138851461), (7, 19835923), (17, 8167733), (41, 3386621), (119, 1166819), (149, 931889), (191, 726971), (287, 483803), (697, 199213), (1043, 133127), (1337, 103853), (2533, 54817), (3247, 42763), (4879, 28459), (6109, 22729), (7831, 17731)]