31519774

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 57513456

約数和(自身を除く): 25993682

約数列:

[1, 2, 11, 13, 22, 26, 43, 86, 121, 143, 233, 242, 286, 466, 473, 559, 946, 1118, 1573, 2563, 3029, 3146, 5126, 5203, 6058, 6149, 10019, 10406, 12298, 20038, 28193, 33319, 56386, 66638, 67639, 110209, 130247, 135278, 220418, 260494, 366509, 733018, 1212299, 1432717, 2424598, 2865434, 15759887, 31519774]

約数ペア:

[(1, 31519774), (2, 15759887), (11, 2865434), (13, 2424598), (22, 1432717), (26, 1212299), (43, 733018), (86, 366509), (121, 260494), (143, 220418), (233, 135278), (242, 130247), (286, 110209), (466, 67639), (473, 66638), (559, 56386), (946, 33319), (1118, 28193), (1573, 20038), (2563, 12298), (3029, 10406), (3146, 10019), (5126, 6149), (5203, 6058)]