217691418

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{2237}}^1$

素因数の和:2587

約数の個数: 48

約数和(自身を含む): 508222944

約数和(自身を除く): 290531526

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 331, 662, 993, 1986, 2237, 2317, 4474, 4634, 6711, 6951, 13422, 13902, 15659, 16219, 31318, 32438, 46977, 48657, 93954, 97314, 109613, 219226, 328839, 657678, 740447, 1480894, 2221341, 4442682, 5183129, 10366258, 15549387, 31098774, 36281903, 72563806, 108845709, 217691418]

約数ペア:

[(1, 217691418), (2, 108845709), (3, 72563806), (6, 36281903), (7, 31098774), (14, 15549387), (21, 10366258), (42, 5183129), (49, 4442682), (98, 2221341), (147, 1480894), (294, 740447), (331, 657678), (662, 328839), (993, 219226), (1986, 109613), (2237, 97314), (2317, 93954), (4474, 48657), (4634, 46977), (6711, 32438), (6951, 31318), (13422, 16219), (13902, 15659)]