221772265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 328188672

約数和(自身を除く): 106416407

約数列:

[1, 5, 11, 13, 37, 55, 65, 83, 101, 143, 185, 407, 415, 481, 505, 715, 913, 1079, 1111, 1313, 2035, 2405, 3071, 3737, 4565, 5291, 5395, 5555, 6565, 8383, 11869, 14443, 15355, 18685, 26455, 33781, 39923, 41107, 41915, 48581, 59345, 72215, 92213, 108979, 168905, 199615, 205535, 242905, 310171, 439153, 461065, 534391, 544895, 1198769, 1550855, 2195765, 2671955, 3411881, 4032223, 5993845, 17059405, 20161115, 44354453, 221772265]

約数ペア:

[(1, 221772265), (5, 44354453), (11, 20161115), (13, 17059405), (37, 5993845), (55, 4032223), (65, 3411881), (83, 2671955), (101, 2195765), (143, 1550855), (185, 1198769), (407, 544895), (415, 534391), (481, 461065), (505, 439153), (715, 310171), (913, 242905), (1079, 205535), (1111, 199615), (1313, 168905), (2035, 108979), (2405, 92213), (3071, 72215), (3737, 59345), (4565, 48581), (5291, 41915), (5395, 41107), (5555, 39923), (6565, 33781), (8383, 26455), (11869, 18685), (14443, 15355)]