12481808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:555

約数の個数: 40

約数和(自身を含む): 25902360

約数和(自身を除く): 13420552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 421, 436, 842, 872, 1684, 1744, 1853, 3368, 3706, 6736, 7157, 7412, 14314, 14824, 28628, 29648, 45889, 57256, 91778, 114512, 183556, 367112, 734224, 780113, 1560226, 3120452, 6240904, 12481808]

約数ペア:

[(1, 12481808), (2, 6240904), (4, 3120452), (8, 1560226), (16, 780113), (17, 734224), (34, 367112), (68, 183556), (109, 114512), (136, 91778), (218, 57256), (272, 45889), (421, 29648), (436, 28628), (842, 14824), (872, 14314), (1684, 7412), (1744, 7157), (1853, 6736), (3368, 3706)]