2788045295

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 64

約数和(自身を含む): 4064256000

約数和(自身を除く): 1276210705

約数列:

[1, 5, 7, 31, 35, 59, 97, 155, 217, 295, 413, 449, 485, 679, 1085, 1829, 2065, 2245, 3007, 3143, 3395, 5723, 9145, 12803, 13919, 15035, 15715, 21049, 26491, 28615, 40061, 43553, 64015, 69595, 97433, 105245, 132455, 177413, 185437, 200305, 217765, 304871, 487165, 821221, 887065, 927185, 1241891, 1350143, 1524355, 2569627, 4106105, 5748547, 6209455, 6750715, 9451001, 12848135, 17987389, 28742735, 47255005, 79658437, 89936945, 398292185, 557609059, 2788045295]

約数ペア:

[(1, 2788045295), (5, 557609059), (7, 398292185), (31, 89936945), (35, 79658437), (59, 47255005), (97, 28742735), (155, 17987389), (217, 12848135), (295, 9451001), (413, 6750715), (449, 6209455), (485, 5748547), (679, 4106105), (1085, 2569627), (1829, 1524355), (2065, 1350143), (2245, 1241891), (3007, 927185), (3143, 887065), (3395, 821221), (5723, 487165), (9145, 304871), (12803, 217765), (13919, 200305), (15035, 185437), (15715, 177413), (21049, 132455), (26491, 105245), (28615, 97433), (40061, 69595), (43553, 64015)]