78879416

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1663}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 189221760

約数和(自身を除く): 110342344

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 121, 154, 196, 242, 308, 392, 484, 539, 616, 847, 968, 1078, 1663, 1694, 2156, 3326, 3388, 4312, 5929, 6652, 6776, 11641, 11858, 13304, 18293, 23282, 23716, 36586, 46564, 47432, 73172, 81487, 93128, 128051, 146344, 162974, 201223, 256102, 325948, 402446, 512204, 651896, 804892, 896357, 1024408, 1408561, 1609784, 1792714, 2817122, 3585428, 5634244, 7170856, 9859927, 11268488, 19719854, 39439708, 78879416]

約数ペア:

[(1, 78879416), (2, 39439708), (4, 19719854), (7, 11268488), (8, 9859927), (11, 7170856), (14, 5634244), (22, 3585428), (28, 2817122), (44, 1792714), (49, 1609784), (56, 1408561), (77, 1024408), (88, 896357), (98, 804892), (121, 651896), (154, 512204), (196, 402446), (242, 325948), (308, 256102), (392, 201223), (484, 162974), (539, 146344), (616, 128051), (847, 93128), (968, 81487), (1078, 73172), (1663, 47432), (1694, 46564), (2156, 36586), (3326, 23716), (3388, 23282), (4312, 18293), (5929, 13304), (6652, 11858), (6776, 11641)]