12988404845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 18053280000

約数和(自身を除く): 5064875155

約数列:

[1, 5, 13, 19, 59, 65, 95, 247, 295, 397, 449, 767, 1121, 1235, 1985, 2245, 3835, 5161, 5605, 5837, 7543, 8531, 14573, 23423, 25805, 26491, 29185, 37715, 42655, 72865, 98059, 110903, 117115, 132455, 178253, 304499, 344383, 445037, 490295, 503329, 554515, 891265, 1522495, 1721915, 2225185, 2317289, 2516645, 3386807, 5785481, 6543277, 10516927, 11586445, 16934035, 28927405, 32716385, 44028491, 52584635, 136720051, 199821613, 220142455, 683600255, 999108065, 2597680969, 12988404845]

約数ペア:

[(1, 12988404845), (5, 2597680969), (13, 999108065), (19, 683600255), (59, 220142455), (65, 199821613), (95, 136720051), (247, 52584635), (295, 44028491), (397, 32716385), (449, 28927405), (767, 16934035), (1121, 11586445), (1235, 10516927), (1985, 6543277), (2245, 5785481), (3835, 3386807), (5161, 2516645), (5605, 2317289), (5837, 2225185), (7543, 1721915), (8531, 1522495), (14573, 891265), (23423, 554515), (25805, 503329), (26491, 490295), (29185, 445037), (37715, 344383), (42655, 304499), (72865, 178253), (98059, 132455), (110903, 117115)]