12729120628

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{258743}}^1$

素因数の和:259012

約数の個数: 36

約数和(自身を含む): 26016191712

約数和(自身を除く): 13287071084

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 502, 1004, 1757, 3514, 7028, 12299, 24598, 49196, 258743, 517486, 1034972, 1811201, 3622402, 7244804, 12678407, 25356814, 50713628, 64944493, 129888986, 259777972, 454611451, 909222902, 1818445804, 3182280157, 6364560314, 12729120628]

約数ペア:

[(1, 12729120628), (2, 6364560314), (4, 3182280157), (7, 1818445804), (14, 909222902), (28, 454611451), (49, 259777972), (98, 129888986), (196, 64944493), (251, 50713628), (502, 25356814), (1004, 12678407), (1757, 7244804), (3514, 3622402), (7028, 1811201), (12299, 1034972), (24598, 517486), (49196, 258743)]