205214156

素因数分解:

$2^2\times 7^3\times {\mathrm{373}}^1\times {\mathrm{401}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 420974400

約数和(自身を除く): 215760244

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 373, 401, 686, 746, 802, 1372, 1492, 1604, 2611, 2807, 5222, 5614, 10444, 11228, 18277, 19649, 36554, 39298, 73108, 78596, 127939, 137543, 149573, 255878, 275086, 299146, 511756, 550172, 598292, 1047011, 2094022, 4188044, 7329077, 14658154, 29316308, 51303539, 102607078, 205214156]

約数ペア:

[(1, 205214156), (2, 102607078), (4, 51303539), (7, 29316308), (14, 14658154), (28, 7329077), (49, 4188044), (98, 2094022), (196, 1047011), (343, 598292), (373, 550172), (401, 511756), (686, 299146), (746, 275086), (802, 255878), (1372, 149573), (1492, 137543), (1604, 127939), (2611, 78596), (2807, 73108), (5222, 39298), (5614, 36554), (10444, 19649), (11228, 18277)]