2005355513

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 2635776000

約数和(自身を除く): 630420487

約数列:

[1, 7, 17, 19, 79, 103, 109, 119, 133, 323, 553, 721, 763, 1343, 1501, 1751, 1853, 1957, 2071, 2261, 8137, 8611, 9401, 10507, 11227, 12257, 12971, 13699, 14497, 25517, 33269, 35207, 56959, 60277, 78589, 138329, 146387, 154603, 163609, 178619, 190859, 213313, 232883, 246449, 886933, 968303, 1024709, 1082221, 1145263, 1336013, 1493191, 2628251, 2781353, 3626321, 6208531, 15077861, 16851727, 18397757, 19469471, 25384247, 105545027, 117962089, 286479359, 2005355513]

約数ペア:

[(1, 2005355513), (7, 286479359), (17, 117962089), (19, 105545027), (79, 25384247), (103, 19469471), (109, 18397757), (119, 16851727), (133, 15077861), (323, 6208531), (553, 3626321), (721, 2781353), (763, 2628251), (1343, 1493191), (1501, 1336013), (1751, 1145263), (1853, 1082221), (1957, 1024709), (2071, 968303), (2261, 886933), (8137, 246449), (8611, 232883), (9401, 213313), (10507, 190859), (11227, 178619), (12257, 163609), (12971, 154603), (13699, 146387), (14497, 138329), (25517, 78589), (33269, 60277), (35207, 56959)]