138520458

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{937}}^1$

素因数の和:1179

約数の個数: 48

約数和(自身を含む): 309044736

約数和(自身を除く): 170524278

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 191, 258, 382, 387, 573, 774, 937, 1146, 1719, 1874, 2811, 3438, 5622, 8213, 8433, 16426, 16866, 24639, 40291, 49278, 73917, 80582, 120873, 147834, 178967, 241746, 357934, 362619, 536901, 725238, 1073802, 1610703, 3221406, 7695581, 15391162, 23086743, 46173486, 69260229, 138520458]

約数ペア:

[(1, 138520458), (2, 69260229), (3, 46173486), (6, 23086743), (9, 15391162), (18, 7695581), (43, 3221406), (86, 1610703), (129, 1073802), (191, 725238), (258, 536901), (382, 362619), (387, 357934), (573, 241746), (774, 178967), (937, 147834), (1146, 120873), (1719, 80582), (1874, 73917), (2811, 49278), (3438, 40291), (5622, 24639), (8213, 16866), (8433, 16426)]