12720008

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 28526220

約数和(自身を除く): 15806212

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 877, 1036, 1754, 1813, 2072, 3508, 3626, 6139, 7016, 7252, 12278, 14504, 24556, 32449, 42973, 49112, 64898, 85946, 129796, 171892, 227143, 259592, 343784, 454286, 908572, 1590001, 1817144, 3180002, 6360004, 12720008]

約数ペア:

[(1, 12720008), (2, 6360004), (4, 3180002), (7, 1817144), (8, 1590001), (14, 908572), (28, 454286), (37, 343784), (49, 259592), (56, 227143), (74, 171892), (98, 129796), (148, 85946), (196, 64898), (259, 49112), (296, 42973), (392, 32449), (518, 24556), (877, 14504), (1036, 12278), (1754, 7252), (1813, 7016), (2072, 6139), (3508, 3626)]