213786368

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{19421}}^1$

素因数の和:19480

約数の個数: 36

約数和(自身を含む): 436684248

約数和(自身を除く): 222897880

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2752, 5504, 11008, 19421, 38842, 77684, 155368, 310736, 621472, 835103, 1242944, 1670206, 2485888, 3340412, 4971776, 6680824, 13361648, 26723296, 53446592, 106893184, 213786368]

約数ペア:

[(1, 213786368), (2, 106893184), (4, 53446592), (8, 26723296), (16, 13361648), (32, 6680824), (43, 4971776), (64, 3340412), (86, 2485888), (128, 1670206), (172, 1242944), (256, 835103), (344, 621472), (688, 310736), (1376, 155368), (2752, 77684), (5504, 38842), (11008, 19421)]