291980088

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^2\times {\mathrm{431}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 800869680

約数和(自身を除く): 508889592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 431, 582, 776, 862, 873, 1164, 1293, 1724, 1746, 2328, 2586, 3448, 3492, 3879, 5172, 6984, 7758, 9409, 10344, 15516, 18818, 28227, 31032, 37636, 41807, 56454, 75272, 83614, 84681, 112908, 125421, 167228, 169362, 225816, 250842, 334456, 338724, 376263, 501684, 677448, 752526, 1003368, 1505052, 3010104, 4055279, 8110558, 12165837, 16221116, 24331674, 32442232, 36497511, 48663348, 72995022, 97326696, 145990044, 291980088]

約数ペア:

[(1, 291980088), (2, 145990044), (3, 97326696), (4, 72995022), (6, 48663348), (8, 36497511), (9, 32442232), (12, 24331674), (18, 16221116), (24, 12165837), (36, 8110558), (72, 4055279), (97, 3010104), (194, 1505052), (291, 1003368), (388, 752526), (431, 677448), (582, 501684), (776, 376263), (862, 338724), (873, 334456), (1164, 250842), (1293, 225816), (1724, 169362), (1746, 167228), (2328, 125421), (2586, 112908), (3448, 84681), (3492, 83614), (3879, 75272), (5172, 56454), (6984, 41807), (7758, 37636), (9409, 31032), (10344, 28227), (15516, 18818)]