81286408

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 184694400

約数和(自身を除く): 103407992

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 241, 266, 317, 482, 532, 634, 964, 1064, 1268, 1687, 1928, 2219, 2536, 3374, 4438, 4579, 6023, 6748, 8876, 9158, 12046, 13496, 17752, 18316, 24092, 32053, 36632, 42161, 48184, 64106, 76397, 84322, 128212, 152794, 168644, 256424, 305588, 337288, 534779, 611176, 1069558, 1451543, 2139116, 2903086, 4278232, 5806172, 10160801, 11612344, 20321602, 40643204, 81286408]

約数ペア:

[(1, 81286408), (2, 40643204), (4, 20321602), (7, 11612344), (8, 10160801), (14, 5806172), (19, 4278232), (28, 2903086), (38, 2139116), (56, 1451543), (76, 1069558), (133, 611176), (152, 534779), (241, 337288), (266, 305588), (317, 256424), (482, 168644), (532, 152794), (634, 128212), (964, 84322), (1064, 76397), (1268, 64106), (1687, 48184), (1928, 42161), (2219, 36632), (2536, 32053), (3374, 24092), (4438, 18316), (4579, 17752), (6023, 13496), (6748, 12046), (8876, 9158)]