287843530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{41777}}^1$

素因数の和:41850

約数の個数: 32

約数和(自身を含む): 568515024

約数和(自身を除く): 280671494

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 41777, 83554, 208885, 417770, 543101, 1086202, 2214181, 2715505, 4428362, 5431010, 11070905, 22141810, 28784353, 57568706, 143921765, 287843530]

約数ペア:

[(1, 287843530), (2, 143921765), (5, 57568706), (10, 28784353), (13, 22141810), (26, 11070905), (53, 5431010), (65, 4428362), (106, 2715505), (130, 2214181), (265, 1086202), (530, 543101), (689, 417770), (1378, 208885), (3445, 83554), (6890, 41777)]