78406818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 184135680

約数和(自身を除く): 105728862

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 73, 107, 146, 214, 219, 239, 321, 438, 478, 511, 642, 717, 749, 1022, 1434, 1498, 1533, 1673, 2247, 3066, 3346, 4494, 5019, 7811, 10038, 15622, 17447, 23433, 25573, 34894, 46866, 51146, 52341, 54677, 76719, 104682, 109354, 122129, 153438, 164031, 179011, 244258, 328062, 358022, 366387, 537033, 732774, 1074066, 1866829, 3733658, 5600487, 11200974, 13067803, 26135606, 39203409, 78406818]

約数ペア:

[(1, 78406818), (2, 39203409), (3, 26135606), (6, 13067803), (7, 11200974), (14, 5600487), (21, 3733658), (42, 1866829), (73, 1074066), (107, 732774), (146, 537033), (214, 366387), (219, 358022), (239, 328062), (321, 244258), (438, 179011), (478, 164031), (511, 153438), (642, 122129), (717, 109354), (749, 104682), (1022, 76719), (1434, 54677), (1498, 52341), (1533, 51146), (1673, 46866), (2247, 34894), (3066, 25573), (3346, 23433), (4494, 17447), (5019, 15622), (7811, 10038)]