81324022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 142349760

約数和(自身を除く): 61025738

約数列:

[1, 2, 13, 17, 26, 34, 79, 137, 158, 221, 274, 289, 442, 578, 1027, 1343, 1781, 2054, 2329, 2686, 3562, 3757, 4658, 7514, 10823, 17459, 21646, 22831, 30277, 34918, 39593, 45662, 60554, 79186, 140699, 183991, 281398, 296803, 367982, 514709, 593606, 1029418, 2391883, 3127847, 4783766, 6255694, 40662011, 81324022]

約数ペア:

[(1, 81324022), (2, 40662011), (13, 6255694), (17, 4783766), (26, 3127847), (34, 2391883), (79, 1029418), (137, 593606), (158, 514709), (221, 367982), (274, 296803), (289, 281398), (442, 183991), (578, 140699), (1027, 79186), (1343, 60554), (1781, 45662), (2054, 39593), (2329, 34918), (2686, 30277), (3562, 22831), (3757, 21646), (4658, 17459), (7514, 10823)]