218025470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{6959}}^1$

素因数の和:7220

約数の個数: 32

約数和(自身を含む): 424448640

約数和(自身を除く): 206423170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 241, 482, 1205, 2410, 3133, 6266, 6959, 13918, 15665, 31330, 34795, 69590, 90467, 180934, 452335, 904670, 1677119, 3354238, 8385595, 16771190, 21802547, 43605094, 109012735, 218025470]

約数ペア:

[(1, 218025470), (2, 109012735), (5, 43605094), (10, 21802547), (13, 16771190), (26, 8385595), (65, 3354238), (130, 1677119), (241, 904670), (482, 452335), (1205, 180934), (2410, 90467), (3133, 69590), (6266, 34795), (6959, 31330), (13918, 15665)]