168654745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 253808640

約数和(自身を除く): 85153895

約数列:

[1, 5, 7, 23, 35, 53, 59, 67, 115, 161, 265, 295, 335, 371, 413, 469, 805, 1219, 1357, 1541, 1855, 2065, 2345, 3127, 3551, 3953, 6095, 6785, 7705, 8533, 9499, 10787, 15635, 17755, 19765, 21889, 24857, 27671, 42665, 47495, 53935, 71921, 81673, 90919, 109445, 124285, 138355, 209509, 359605, 408365, 454595, 503447, 571711, 636433, 1047545, 1466563, 2517235, 2858555, 3182165, 4818707, 7332815, 24093535, 33730949, 168654745]

約数ペア:

[(1, 168654745), (5, 33730949), (7, 24093535), (23, 7332815), (35, 4818707), (53, 3182165), (59, 2858555), (67, 2517235), (115, 1466563), (161, 1047545), (265, 636433), (295, 571711), (335, 503447), (371, 454595), (413, 408365), (469, 359605), (805, 209509), (1219, 138355), (1357, 124285), (1541, 109445), (1855, 90919), (2065, 81673), (2345, 71921), (3127, 53935), (3551, 47495), (3953, 42665), (6095, 27671), (6785, 24857), (7705, 21889), (8533, 19765), (9499, 17755), (10787, 15635)]