678741856

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{125507}}^1$

素因数の和:125543

約数の個数: 36

約数和(自身を含む): 1446981732

約数和(自身を除く): 768239876

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 125507, 251014, 502028, 1004056, 1631591, 2008112, 3263182, 4016224, 6526364, 13052728, 21210683, 26105456, 42421366, 52210912, 84842732, 169685464, 339370928, 678741856]

約数ペア:

[(1, 678741856), (2, 339370928), (4, 169685464), (8, 84842732), (13, 52210912), (16, 42421366), (26, 26105456), (32, 21210683), (52, 13052728), (104, 6526364), (169, 4016224), (208, 3263182), (338, 2008112), (416, 1631591), (676, 1004056), (1352, 502028), (2704, 251014), (5408, 125507)]