208519604

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{66919}}^1$

素因数の和:66983

約数の個数: 24

約数和(自身を含む): 393489600

約数和(自身を除く): 184969996

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 66919, 133838, 267676, 1271461, 2542922, 2743679, 5085844, 5487358, 10974716, 52129901, 104259802, 208519604]

約数ペア:

[(1, 208519604), (2, 104259802), (4, 52129901), (19, 10974716), (38, 5487358), (41, 5085844), (76, 2743679), (82, 2542922), (164, 1271461), (779, 267676), (1558, 133838), (3116, 66919)]