217437690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{16361}}^1$

素因数の和:16814

約数の個数: 32

約数和(自身を含む): 523060416

約数和(自身を除く): 305622726

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 443, 886, 1329, 2215, 2658, 4430, 6645, 13290, 16361, 32722, 49083, 81805, 98166, 163610, 245415, 490830, 7247923, 14495846, 21743769, 36239615, 43487538, 72479230, 108718845, 217437690]

約数ペア:

[(1, 217437690), (2, 108718845), (3, 72479230), (5, 43487538), (6, 36239615), (10, 21743769), (15, 14495846), (30, 7247923), (443, 490830), (886, 245415), (1329, 163610), (2215, 98166), (2658, 81805), (4430, 49083), (6645, 32722), (13290, 16361)]