1994661305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1087}}^1$

素因数の和:1258

約数の個数: 64

約数和(自身を含む): 3056148480

約数和(自身を除く): 1061487175

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 109, 185, 259, 455, 481, 545, 763, 1087, 1295, 1417, 2405, 3367, 3815, 4033, 5435, 7085, 7609, 9919, 14131, 16835, 20165, 28231, 38045, 40219, 49595, 52429, 70655, 98917, 118483, 141155, 201095, 262145, 281533, 367003, 494585, 522847, 592415, 829381, 1407665, 1540279, 1835015, 2614235, 3659929, 4146905, 4383871, 7701395, 10781953, 18299645, 21919355, 30687097, 53909765, 56990323, 153435485, 284951615, 398932261, 1994661305]

約数ペア:

[(1, 1994661305), (5, 398932261), (7, 284951615), (13, 153435485), (35, 56990323), (37, 53909765), (65, 30687097), (91, 21919355), (109, 18299645), (185, 10781953), (259, 7701395), (455, 4383871), (481, 4146905), (545, 3659929), (763, 2614235), (1087, 1835015), (1295, 1540279), (1417, 1407665), (2405, 829381), (3367, 592415), (3815, 522847), (4033, 494585), (5435, 367003), (7085, 281533), (7609, 262145), (9919, 201095), (14131, 141155), (16835, 118483), (20165, 98917), (28231, 70655), (38045, 52429), (40219, 49595)]