208970368

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{37967}}^1$

素因数の和:38024

約数の個数: 32

約数和(自身を含む): 426000960

約数和(自身を除く): 217030592

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 344, 688, 1376, 2752, 5504, 37967, 75934, 151868, 303736, 607472, 1214944, 1632581, 2429888, 3265162, 4859776, 6530324, 13060648, 26121296, 52242592, 104485184, 208970368]

約数ペア:

[(1, 208970368), (2, 104485184), (4, 52242592), (8, 26121296), (16, 13060648), (32, 6530324), (43, 4859776), (64, 3265162), (86, 2429888), (128, 1632581), (172, 1214944), (344, 607472), (688, 303736), (1376, 151868), (2752, 75934), (5504, 37967)]