1998620645

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{19079}}^1$

素因数の和:19205

約数の個数: 32

約数和(自身を含む): 2846430720

約数和(自身を除く): 847810075

約数列:

[1, 5, 7, 35, 41, 73, 205, 287, 365, 511, 1435, 2555, 2993, 14965, 19079, 20951, 95395, 104755, 133553, 667765, 782239, 1392767, 3911195, 5475673, 6963835, 9749369, 27378365, 48746845, 57103447, 285517235, 399724129, 1998620645]

約数ペア:

[(1, 1998620645), (5, 399724129), (7, 285517235), (35, 57103447), (41, 48746845), (73, 27378365), (205, 9749369), (287, 6963835), (365, 5475673), (511, 3911195), (1435, 1392767), (2555, 782239), (2993, 667765), (14965, 133553), (19079, 104755), (20951, 95395)]