291223366

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 519156000

約数和(自身を除く): 227932634

約数列:

[1, 2, 7, 14, 49, 98, 109, 137, 199, 218, 274, 398, 763, 959, 1393, 1526, 1918, 2786, 5341, 6713, 9751, 10682, 13426, 14933, 19502, 21691, 27263, 29866, 43382, 54526, 104531, 151837, 190841, 209062, 303674, 381682, 731717, 1062859, 1335887, 1463434, 2125718, 2671774, 2971667, 5943334, 20801669, 41603338, 145611683, 291223366]

約数ペア:

[(1, 291223366), (2, 145611683), (7, 41603338), (14, 20801669), (49, 5943334), (98, 2971667), (109, 2671774), (137, 2125718), (199, 1463434), (218, 1335887), (274, 1062859), (398, 731717), (763, 381682), (959, 303674), (1393, 209062), (1526, 190841), (1918, 151837), (2786, 104531), (5341, 54526), (6713, 43382), (9751, 29866), (10682, 27263), (13426, 21691), (14933, 19502)]