518238

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{457}}^1$

素因数の和:478

約数の個数: 40

約数和(自身を含む): 1330032

約数和(自身を除く): 811794

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 457, 567, 914, 1134, 1371, 2742, 3199, 4113, 6398, 8226, 9597, 12339, 19194, 24678, 28791, 37017, 57582, 74034, 86373, 172746, 259119, 518238]

約数ペア:

[(1, 518238), (2, 259119), (3, 172746), (6, 86373), (7, 74034), (9, 57582), (14, 37017), (18, 28791), (21, 24678), (27, 19194), (42, 12339), (54, 9597), (63, 8226), (81, 6398), (126, 4113), (162, 3199), (189, 2742), (378, 1371), (457, 1134), (567, 914)]