78454145

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 122430528

約数和(自身を除く): 43976383

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 215, 245, 301, 385, 473, 539, 677, 1505, 2107, 2365, 2695, 3311, 3385, 4739, 7447, 10535, 16555, 23177, 23695, 29111, 33173, 37235, 52129, 115885, 145555, 165865, 203777, 260645, 320221, 364903, 1018885, 1426439, 1601105, 1824515, 2241547, 7132195, 11207735, 15690829, 78454145]

約数ペア:

[(1, 78454145), (5, 15690829), (7, 11207735), (11, 7132195), (35, 2241547), (43, 1824515), (49, 1601105), (55, 1426439), (77, 1018885), (215, 364903), (245, 320221), (301, 260645), (385, 203777), (473, 165865), (539, 145555), (677, 115885), (1505, 52129), (2107, 37235), (2365, 33173), (2695, 29111), (3311, 23695), (3385, 23177), (4739, 16555), (7447, 10535)]