28917070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:809

約数の個数: 64

約数和(自身を含む): 65640960

約数和(自身を除く): 36723890

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 182, 215, 301, 430, 455, 559, 602, 739, 910, 1118, 1478, 1505, 2795, 3010, 3695, 3913, 5173, 5590, 7390, 7826, 9607, 10346, 19214, 19565, 25865, 31777, 39130, 48035, 51730, 63554, 67249, 96070, 134498, 158885, 222439, 317770, 336245, 413101, 444878, 672490, 826202, 1112195, 2065505, 2224390, 2891707, 4131010, 5783414, 14458535, 28917070]

約数ペア:

[(1, 28917070), (2, 14458535), (5, 5783414), (7, 4131010), (10, 2891707), (13, 2224390), (14, 2065505), (26, 1112195), (35, 826202), (43, 672490), (65, 444878), (70, 413101), (86, 336245), (91, 317770), (130, 222439), (182, 158885), (215, 134498), (301, 96070), (430, 67249), (455, 63554), (559, 51730), (602, 48035), (739, 39130), (910, 31777), (1118, 25865), (1478, 19565), (1505, 19214), (2795, 10346), (3010, 9607), (3695, 7826), (3913, 7390), (5173, 5590)]