20161115

素因数分解:

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

素因数の和:239

約数の個数: 32

約数和(自身を含む): 27349056

約数和(自身を除く): 7187941

約数列:

[1, 5, 13, 37, 65, 83, 101, 185, 415, 481, 505, 1079, 1313, 2405, 3071, 3737, 5395, 6565, 8383, 15355, 18685, 39923, 41915, 48581, 108979, 199615, 242905, 310171, 544895, 1550855, 4032223, 20161115]

約数ペア:

[(1, 20161115), (5, 4032223), (13, 1550855), (37, 544895), (65, 310171), (83, 242905), (101, 199615), (185, 108979), (415, 48581), (481, 41915), (505, 39923), (1079, 18685), (1313, 15355), (2405, 8383), (3071, 6565), (3737, 5395)]