209938144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{26561}}^1$

素因数の和:26603

約数の個数: 48

約数和(自身を含む): 468553680

約数和(自身を除く): 258615536

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 26561, 53122, 106244, 212488, 345293, 424976, 504659, 690586, 849952, 1009318, 1381172, 2018636, 2762344, 4037272, 5524688, 6560567, 8074544, 11049376, 13121134, 16149088, 26242268, 52484536, 104969072, 209938144]

約数ペア:

[(1, 209938144), (2, 104969072), (4, 52484536), (8, 26242268), (13, 16149088), (16, 13121134), (19, 11049376), (26, 8074544), (32, 6560567), (38, 5524688), (52, 4037272), (76, 2762344), (104, 2018636), (152, 1381172), (208, 1009318), (247, 849952), (304, 690586), (416, 504659), (494, 424976), (608, 345293), (988, 212488), (1976, 106244), (3952, 53122), (7904, 26561)]