493806775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3613}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 774379008

約数和(自身を除く): 280572233

約数列:

[1, 5, 7, 11, 25, 35, 55, 71, 77, 175, 275, 355, 385, 497, 781, 1775, 1925, 2485, 3613, 3905, 5467, 12425, 18065, 19525, 25291, 27335, 39743, 90325, 126455, 136675, 198715, 256523, 278201, 632275, 993575, 1282615, 1391005, 1795661, 2821753, 6413075, 6955025, 8978305, 14108765, 19752271, 44891525, 70543825, 98761355, 493806775]

約数ペア:

[(1, 493806775), (5, 98761355), (7, 70543825), (11, 44891525), (25, 19752271), (35, 14108765), (55, 8978305), (71, 6955025), (77, 6413075), (175, 2821753), (275, 1795661), (355, 1391005), (385, 1282615), (497, 993575), (781, 632275), (1775, 278201), (1925, 256523), (2485, 198715), (3613, 136675), (3905, 126455), (5467, 90325), (12425, 39743), (18065, 27335), (19525, 25291)]