208173836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 404689824

約数和(自身を除く): 196515988

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 157, 172, 314, 559, 593, 628, 1118, 1186, 2041, 2236, 2372, 4082, 6751, 7709, 8164, 13502, 15418, 25499, 27004, 30836, 50998, 87763, 93101, 101996, 175526, 186202, 331487, 351052, 372404, 662974, 1210313, 1325948, 2420626, 4003343, 4841252, 8006686, 16013372, 52043459, 104086918, 208173836]

約数ペア:

[(1, 208173836), (2, 104086918), (4, 52043459), (13, 16013372), (26, 8006686), (43, 4841252), (52, 4003343), (86, 2420626), (157, 1325948), (172, 1210313), (314, 662974), (559, 372404), (593, 351052), (628, 331487), (1118, 186202), (1186, 175526), (2041, 101996), (2236, 93101), (2372, 87763), (4082, 50998), (6751, 30836), (7709, 27004), (8164, 25499), (13502, 15418)]