68239548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 187278000

約数和(自身を除く): 119038452

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1049, 1251, 1668, 1807, 2098, 2502, 3147, 3614, 4196, 5004, 5421, 6294, 7228, 9441, 10842, 12588, 13637, 16263, 18882, 21684, 27274, 32526, 37764, 40911, 54548, 65052, 81822, 122733, 145811, 163644, 245466, 291622, 437433, 490932, 583244, 874866, 1312299, 1749732, 1895543, 2624598, 3791086, 5249196, 5686629, 7582172, 11373258, 17059887, 22746516, 34119774, 68239548]

約数ペア:

[(1, 68239548), (2, 34119774), (3, 22746516), (4, 17059887), (6, 11373258), (9, 7582172), (12, 5686629), (13, 5249196), (18, 3791086), (26, 2624598), (36, 1895543), (39, 1749732), (52, 1312299), (78, 874866), (117, 583244), (139, 490932), (156, 437433), (234, 291622), (278, 245466), (417, 163644), (468, 145811), (556, 122733), (834, 81822), (1049, 65052), (1251, 54548), (1668, 40911), (1807, 37764), (2098, 32526), (2502, 27274), (3147, 21684), (3614, 18882), (4196, 16263), (5004, 13637), (5421, 12588), (6294, 10842), (7228, 9441)]