867568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 1871408

約数和(自身を除く): 1003840

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 97, 104, 172, 194, 208, 344, 388, 559, 688, 776, 1118, 1261, 1552, 2236, 2522, 4171, 4472, 5044, 8342, 8944, 10088, 16684, 20176, 33368, 54223, 66736, 108446, 216892, 433784, 867568]

約数ペア:

[(1, 867568), (2, 433784), (4, 216892), (8, 108446), (13, 66736), (16, 54223), (26, 33368), (43, 20176), (52, 16684), (86, 10088), (97, 8944), (104, 8342), (172, 5044), (194, 4472), (208, 4171), (344, 2522), (388, 2236), (559, 1552), (688, 1261), (776, 1118)]