81567304

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5897}}^1$

素因数の和:5942

約数の個数: 64

約数和(自身を含む): 198172800

約数和(自身を除く): 116605496

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 5897, 6916, 11794, 13832, 23588, 41279, 47176, 76661, 82558, 112043, 153322, 165116, 224086, 306644, 330232, 448172, 536627, 613288, 784301, 896344, 1073254, 1456559, 1568602, 2146508, 2913118, 3137204, 4293016, 5826236, 6274408, 10195913, 11652472, 20391826, 40783652, 81567304]

約数ペア:

[(1, 81567304), (2, 40783652), (4, 20391826), (7, 11652472), (8, 10195913), (13, 6274408), (14, 5826236), (19, 4293016), (26, 3137204), (28, 2913118), (38, 2146508), (52, 1568602), (56, 1456559), (76, 1073254), (91, 896344), (104, 784301), (133, 613288), (152, 536627), (182, 448172), (247, 330232), (266, 306644), (364, 224086), (494, 165116), (532, 153322), (728, 112043), (988, 82558), (1064, 76661), (1729, 47176), (1976, 41279), (3458, 23588), (5897, 13832), (6916, 11794)]