138221390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{42793}}^1$

素因数の和:42836

約数の個数: 32

約数和(自身を含む): 277305120

約数和(自身を除く): 139083730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 42793, 85586, 213965, 427930, 727481, 813067, 1454962, 1626134, 3637405, 4065335, 7274810, 8130670, 13822139, 27644278, 69110695, 138221390]

約数ペア:

[(1, 138221390), (2, 69110695), (5, 27644278), (10, 13822139), (17, 8130670), (19, 7274810), (34, 4065335), (38, 3637405), (85, 1626134), (95, 1454962), (170, 813067), (190, 727481), (323, 427930), (646, 213965), (1615, 85586), (3230, 42793)]