278330936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157427}}^1$

素因数の和:157463

約数の個数: 32

約数和(自身を含む): 595077840

約数和(自身を除く): 316746904

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 157427, 314854, 629708, 1259416, 2046551, 2676259, 4093102, 5352518, 8186204, 10705036, 16372408, 21410072, 34791367, 69582734, 139165468, 278330936]

約数ペア:

[(1, 278330936), (2, 139165468), (4, 69582734), (8, 34791367), (13, 21410072), (17, 16372408), (26, 10705036), (34, 8186204), (52, 5352518), (68, 4093102), (104, 2676259), (136, 2046551), (221, 1259416), (442, 629708), (884, 314854), (1768, 157427)]