209619396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26833}}^1$

素因数の和:26881

約数の個数: 72

約数和(自身を含む): 625124864

約数和(自身を除く): 415505468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 26833, 53666, 80499, 107332, 160998, 187831, 241497, 321996, 375662, 482994, 563493, 751324, 831823, 965988, 1126986, 1663646, 1690479, 2253972, 2495469, 3327292, 3380958, 4990938, 5822761, 6761916, 7486407, 9981876, 11645522, 14972814, 17468283, 23291044, 29945628, 34936566, 52404849, 69873132, 104809698, 209619396]

約数ペア:

[(1, 209619396), (2, 104809698), (3, 69873132), (4, 52404849), (6, 34936566), (7, 29945628), (9, 23291044), (12, 17468283), (14, 14972814), (18, 11645522), (21, 9981876), (28, 7486407), (31, 6761916), (36, 5822761), (42, 4990938), (62, 3380958), (63, 3327292), (84, 2495469), (93, 2253972), (124, 1690479), (126, 1663646), (186, 1126986), (217, 965988), (252, 831823), (279, 751324), (372, 563493), (434, 482994), (558, 375662), (651, 321996), (868, 241497), (1116, 187831), (1302, 160998), (1953, 107332), (2604, 80499), (3906, 53666), (7812, 26833)]