1209741325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 1657532800

約数和(自身を除く): 447791475

約数列:

[1, 5, 13, 25, 61, 65, 139, 305, 325, 439, 695, 793, 1525, 1807, 2195, 3475, 3965, 5707, 8479, 9035, 10975, 19825, 26779, 28535, 42395, 45175, 61021, 110227, 133895, 142675, 211975, 305105, 348127, 551135, 669475, 793273, 1525525, 1740635, 2755675, 3722281, 3966365, 8703175, 18611405, 19831825, 48389653, 93057025, 241948265, 1209741325]

約数ペア:

[(1, 1209741325), (5, 241948265), (13, 93057025), (25, 48389653), (61, 19831825), (65, 18611405), (139, 8703175), (305, 3966365), (325, 3722281), (439, 2755675), (695, 1740635), (793, 1525525), (1525, 793273), (1807, 669475), (2195, 551135), (3475, 348127), (3965, 305105), (5707, 211975), (8479, 142675), (9035, 133895), (10975, 110227), (19825, 61021), (26779, 45175), (28535, 42395)]