289739905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{4861}}^1$

素因数の和:5017

約数の個数: 32

約数和(自身を含む): 431278848

約数和(自身を除く): 141538943

約数列:

[1, 5, 7, 13, 35, 65, 91, 131, 455, 655, 917, 1703, 4585, 4861, 8515, 11921, 24305, 34027, 59605, 63193, 170135, 315965, 442351, 636791, 2211755, 3183955, 4457537, 8278283, 22287685, 41391415, 57947981, 289739905]

約数ペア:

[(1, 289739905), (5, 57947981), (7, 41391415), (13, 22287685), (35, 8278283), (65, 4457537), (91, 3183955), (131, 2211755), (455, 636791), (655, 442351), (917, 315965), (1703, 170135), (4585, 63193), (4861, 59605), (8515, 34027), (11921, 24305)]