128586470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20443}}^1$

素因数の和:20504

約数の個数: 32

約数和(自身を含む): 251706528

約数和(自身を除く): 123120058

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 1258, 3145, 6290, 20443, 40886, 102215, 204430, 347531, 695062, 756391, 1512782, 1737655, 3475310, 3781955, 7563910, 12858647, 25717294, 64293235, 128586470]

約数ペア:

[(1, 128586470), (2, 64293235), (5, 25717294), (10, 12858647), (17, 7563910), (34, 3781955), (37, 3475310), (74, 1737655), (85, 1512782), (170, 756391), (185, 695062), (370, 347531), (629, 204430), (1258, 102215), (3145, 40886), (6290, 20443)]