12213140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2113}}^1$

素因数の和:2156

約数の個数: 36

約数和(自身を含む): 27257916

約数和(自身を除く): 15044776

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2113, 2890, 4226, 5780, 8452, 10565, 21130, 35921, 42260, 71842, 143684, 179605, 359210, 610657, 718420, 1221314, 2442628, 3053285, 6106570, 12213140]

約数ペア:

[(1, 12213140), (2, 6106570), (4, 3053285), (5, 2442628), (10, 1221314), (17, 718420), (20, 610657), (34, 359210), (68, 179605), (85, 143684), (170, 71842), (289, 42260), (340, 35921), (578, 21130), (1156, 10565), (1445, 8452), (2113, 5780), (2890, 4226)]