28415697555

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{2239}}^1$

素因数の和:2849

約数の個数: 96

約数和(自身を含む): 54716497920

約数和(自身を除く): 26300800365

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 49, 93, 105, 147, 155, 217, 245, 465, 557, 651, 735, 1085, 1519, 1671, 2239, 2785, 3255, 3899, 4557, 6717, 7595, 8355, 11195, 11697, 15673, 17267, 19495, 22785, 27293, 33585, 47019, 51801, 58485, 69409, 78365, 81879, 86335, 109711, 120869, 136465, 208227, 235095, 259005, 329133, 347045, 362607, 409395, 485863, 548555, 604345, 846083, 1041135, 1247123, 1457589, 1645665, 1813035, 2429315, 2538249, 3401041, 3741369, 4230415, 6235615, 7287945, 8729861, 10203123, 12691245, 17005205, 18706845, 26189583, 38660813, 43649305, 51015615, 61109027, 115982439, 130947915, 183327081, 193304065, 270625691, 305545135, 579912195, 811877073, 916635405, 1353128455, 1894379837, 4059385365, 5683139511, 9471899185, 28415697555]

約数ペア:

[(1, 28415697555), (3, 9471899185), (5, 5683139511), (7, 4059385365), (15, 1894379837), (21, 1353128455), (31, 916635405), (35, 811877073), (49, 579912195), (93, 305545135), (105, 270625691), (147, 193304065), (155, 183327081), (217, 130947915), (245, 115982439), (465, 61109027), (557, 51015615), (651, 43649305), (735, 38660813), (1085, 26189583), (1519, 18706845), (1671, 17005205), (2239, 12691245), (2785, 10203123), (3255, 8729861), (3899, 7287945), (4557, 6235615), (6717, 4230415), (7595, 3741369), (8355, 3401041), (11195, 2538249), (11697, 2429315), (15673, 1813035), (17267, 1645665), (19495, 1457589), (22785, 1247123), (27293, 1041135), (33585, 846083), (47019, 604345), (51801, 548555), (58485, 485863), (69409, 409395), (78365, 362607), (81879, 347045), (86335, 329133), (109711, 259005), (120869, 235095), (136465, 208227)]