31519212

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 75398400

約数和(自身を除く): 43879188

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 197, 199, 201, 268, 394, 398, 402, 591, 597, 788, 796, 804, 1182, 1194, 2364, 2388, 13199, 13333, 26398, 26666, 39203, 39597, 39999, 52796, 53332, 78406, 79194, 79998, 117609, 156812, 158388, 159996, 235218, 470436, 2626601, 5253202, 7879803, 10506404, 15759606, 31519212]

約数ペア:

[(1, 31519212), (2, 15759606), (3, 10506404), (4, 7879803), (6, 5253202), (12, 2626601), (67, 470436), (134, 235218), (197, 159996), (199, 158388), (201, 156812), (268, 117609), (394, 79998), (398, 79194), (402, 78406), (591, 53332), (597, 52796), (788, 39999), (796, 39597), (804, 39203), (1182, 26666), (1194, 26398), (2364, 13333), (2388, 13199)]