212312984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{13003}}^1$

素因数の和:13179

約数の個数: 32

約数和(自身を含む): 431472720

約数和(自身を除く): 219159736

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1256, 2041, 4082, 8164, 13003, 16328, 26006, 52012, 104024, 169039, 338078, 676156, 1352312, 2041471, 4082942, 8165884, 16331768, 26539123, 53078246, 106156492, 212312984]

約数ペア:

[(1, 212312984), (2, 106156492), (4, 53078246), (8, 26539123), (13, 16331768), (26, 8165884), (52, 4082942), (104, 2041471), (157, 1352312), (314, 676156), (628, 338078), (1256, 169039), (2041, 104024), (4082, 52012), (8164, 26006), (13003, 16328)]