280486458

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{16993}}^1$

素因数の和:17139

約数の個数: 48

約数和(自身を含む): 699880896

約数和(自身を除く): 419394438

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1834, 2358, 2751, 5502, 8253, 16506, 16993, 33986, 50979, 101958, 118951, 152937, 237902, 305874, 356853, 713706, 1070559, 2141118, 2226083, 4452166, 6678249, 13356498, 15582581, 20034747, 31165162, 40069494, 46747743, 93495486, 140243229, 280486458]

約数ペア:

[(1, 280486458), (2, 140243229), (3, 93495486), (6, 46747743), (7, 40069494), (9, 31165162), (14, 20034747), (18, 15582581), (21, 13356498), (42, 6678249), (63, 4452166), (126, 2226083), (131, 2141118), (262, 1070559), (393, 713706), (786, 356853), (917, 305874), (1179, 237902), (1834, 152937), (2358, 118951), (2751, 101958), (5502, 50979), (8253, 33986), (16506, 16993)]