12838735

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 20109600

約数和(自身を除く): 7270865

約数列:

[1, 5, 7, 13, 29, 35, 49, 65, 91, 139, 145, 203, 245, 377, 455, 637, 695, 973, 1015, 1421, 1807, 1885, 2639, 3185, 4031, 4865, 6811, 7105, 9035, 12649, 13195, 18473, 20155, 28217, 34055, 52403, 63245, 88543, 92365, 141085, 197519, 262015, 366821, 442715, 987595, 1834105, 2567747, 12838735]

約数ペア:

[(1, 12838735), (5, 2567747), (7, 1834105), (13, 987595), (29, 442715), (35, 366821), (49, 262015), (65, 197519), (91, 141085), (139, 92365), (145, 88543), (203, 63245), (245, 52403), (377, 34055), (455, 28217), (637, 20155), (695, 18473), (973, 13195), (1015, 12649), (1421, 9035), (1807, 7105), (1885, 6811), (2639, 4865), (3185, 4031)]