208985612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 406425600

約数和(自身を除く): 197439988

約数列:

[1, 2, 4, 11, 22, 44, 127, 149, 251, 254, 298, 502, 508, 596, 1004, 1397, 1639, 2761, 2794, 3278, 5522, 5588, 6556, 11044, 18923, 31877, 37399, 37846, 63754, 74798, 75692, 127508, 149596, 208153, 350647, 411389, 416306, 701294, 822778, 832612, 1402588, 1645556, 4749673, 9499346, 18998692, 52246403, 104492806, 208985612]

約数ペア:

[(1, 208985612), (2, 104492806), (4, 52246403), (11, 18998692), (22, 9499346), (44, 4749673), (127, 1645556), (149, 1402588), (251, 832612), (254, 822778), (298, 701294), (502, 416306), (508, 411389), (596, 350647), (1004, 208153), (1397, 149596), (1639, 127508), (2761, 75692), (2794, 74798), (3278, 63754), (5522, 37846), (5588, 37399), (6556, 31877), (11044, 18923)]