2013897605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 2765767680

約数和(自身を除く): 751870075

約数列:

[1, 5, 17, 29, 37, 71, 85, 145, 185, 311, 355, 493, 629, 1073, 1207, 1555, 2059, 2465, 2627, 3145, 5287, 5365, 6035, 9019, 10295, 11507, 13135, 18241, 22081, 26435, 35003, 44659, 45095, 57535, 76183, 91205, 110405, 153323, 175015, 195619, 223295, 333703, 375377, 380915, 640349, 766615, 816997, 978095, 1295111, 1668515, 1876885, 3201745, 4084985, 5672951, 6475555, 10885933, 13888949, 23692913, 28364755, 54429665, 69444745, 118464565, 402779521, 2013897605]

約数ペア:

[(1, 2013897605), (5, 402779521), (17, 118464565), (29, 69444745), (37, 54429665), (71, 28364755), (85, 23692913), (145, 13888949), (185, 10885933), (311, 6475555), (355, 5672951), (493, 4084985), (629, 3201745), (1073, 1876885), (1207, 1668515), (1555, 1295111), (2059, 978095), (2465, 816997), (2627, 766615), (3145, 640349), (5287, 380915), (5365, 375377), (6035, 333703), (9019, 223295), (10295, 195619), (11507, 175015), (13135, 153323), (18241, 110405), (22081, 91205), (26435, 76183), (35003, 57535), (44659, 45095)]