39869648

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 96243840

約数和(自身を除く): 56374192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 139, 182, 197, 208, 278, 364, 394, 556, 728, 788, 973, 1112, 1379, 1456, 1576, 1807, 1946, 2224, 2561, 2758, 3152, 3614, 3892, 5122, 5516, 7228, 7784, 10244, 11032, 12649, 14456, 15568, 17927, 20488, 22064, 25298, 27383, 28912, 35854, 40976, 50596, 54766, 71708, 101192, 109532, 143416, 191681, 202384, 219064, 286832, 355979, 383362, 438128, 711958, 766724, 1423916, 1533448, 2491853, 2847832, 3066896, 4983706, 5695664, 9967412, 19934824, 39869648]

約数ペア:

[(1, 39869648), (2, 19934824), (4, 9967412), (7, 5695664), (8, 4983706), (13, 3066896), (14, 2847832), (16, 2491853), (26, 1533448), (28, 1423916), (52, 766724), (56, 711958), (91, 438128), (104, 383362), (112, 355979), (139, 286832), (182, 219064), (197, 202384), (208, 191681), (278, 143416), (364, 109532), (394, 101192), (556, 71708), (728, 54766), (788, 50596), (973, 40976), (1112, 35854), (1379, 28912), (1456, 27383), (1576, 25298), (1807, 22064), (1946, 20488), (2224, 17927), (2561, 15568), (2758, 14456), (3152, 12649), (3614, 11032), (3892, 10244), (5122, 7784), (5516, 7228)]