219606848

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:655

約数の個数: 56

約数和(自身を含む): 449275200

約数和(自身を除く): 229668352

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 199, 344, 398, 401, 688, 796, 802, 1376, 1592, 1604, 2752, 3184, 3208, 6368, 6416, 8557, 12736, 12832, 17114, 17243, 25664, 34228, 34486, 68456, 68972, 79799, 136912, 137944, 159598, 273824, 275888, 319196, 547648, 551776, 638392, 1103552, 1276784, 2553568, 3431357, 5107136, 6862714, 13725428, 27450856, 54901712, 109803424, 219606848]

約数ペア:

[(1, 219606848), (2, 109803424), (4, 54901712), (8, 27450856), (16, 13725428), (32, 6862714), (43, 5107136), (64, 3431357), (86, 2553568), (172, 1276784), (199, 1103552), (344, 638392), (398, 551776), (401, 547648), (688, 319196), (796, 275888), (802, 273824), (1376, 159598), (1592, 137944), (1604, 136912), (2752, 79799), (3184, 68972), (3208, 68456), (6368, 34486), (6416, 34228), (8557, 25664), (12736, 17243), (12832, 17114)]