18287788675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{23813}}^1$

素因数の和:23992

約数の個数: 48

約数和(自身を含む): 26044895520

約数和(自身を除く): 7757106845

約数列:

[1, 5, 13, 17, 25, 65, 85, 139, 221, 325, 425, 695, 1105, 1807, 2363, 3475, 5525, 9035, 11815, 23813, 30719, 45175, 59075, 119065, 153595, 309569, 404821, 595325, 767975, 1547845, 2024105, 3310007, 5262673, 7739225, 10120525, 16550035, 26313365, 43030091, 56270119, 82750175, 131566825, 215150455, 281350595, 731511547, 1075752275, 1406752975, 3657557735, 18287788675]

約数ペア:

[(1, 18287788675), (5, 3657557735), (13, 1406752975), (17, 1075752275), (25, 731511547), (65, 281350595), (85, 215150455), (139, 131566825), (221, 82750175), (325, 56270119), (425, 43030091), (695, 26313365), (1105, 16550035), (1807, 10120525), (2363, 7739225), (3475, 5262673), (5525, 3310007), (9035, 2024105), (11815, 1547845), (23813, 767975), (30719, 595325), (45175, 404821), (59075, 309569), (119065, 153595)]