257414526

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 566420400

約数和(自身を除く): 309005874

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 379, 389, 582, 758, 778, 873, 1137, 1167, 1746, 2274, 2334, 3411, 3501, 6822, 7002, 36763, 37733, 73526, 75466, 110289, 113199, 147431, 220578, 226398, 294862, 330867, 339597, 442293, 661734, 679194, 884586, 1326879, 2653758, 14300807, 28601614, 42902421, 85804842, 128707263, 257414526]

約数ペア:

[(1, 257414526), (2, 128707263), (3, 85804842), (6, 42902421), (9, 28601614), (18, 14300807), (97, 2653758), (194, 1326879), (291, 884586), (379, 679194), (389, 661734), (582, 442293), (758, 339597), (778, 330867), (873, 294862), (1137, 226398), (1167, 220578), (1746, 147431), (2274, 113199), (2334, 110289), (3411, 75466), (3501, 73526), (6822, 37733), (7002, 36763)]