288639505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 447068160

約数和(自身を除く): 158428655

約数列:

[1, 5, 7, 11, 35, 55, 59, 77, 97, 131, 295, 385, 413, 485, 649, 655, 679, 917, 1067, 1441, 2065, 3245, 3395, 4543, 4585, 5335, 5723, 7205, 7469, 7729, 10087, 12707, 22715, 28615, 37345, 38645, 40061, 50435, 54103, 62953, 63535, 85019, 88949, 139777, 200305, 270515, 314765, 425095, 440671, 444745, 595133, 698885, 749713, 978439, 2203355, 2975665, 3748565, 4892195, 5247991, 8246843, 26239955, 41234215, 57727901, 288639505]

約数ペア:

[(1, 288639505), (5, 57727901), (7, 41234215), (11, 26239955), (35, 8246843), (55, 5247991), (59, 4892195), (77, 3748565), (97, 2975665), (131, 2203355), (295, 978439), (385, 749713), (413, 698885), (485, 595133), (649, 444745), (655, 440671), (679, 425095), (917, 314765), (1067, 270515), (1441, 200305), (2065, 139777), (3245, 88949), (3395, 85019), (4543, 63535), (4585, 62953), (5335, 54103), (5723, 50435), (7205, 40061), (7469, 38645), (7729, 37345), (10087, 28615), (12707, 22715)]