278304868

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{2539}}^1$

素因数の和:3019

約数の個数: 24

約数和(自身を含む): 495706400

約数和(自身を除く): 217401532

約数列:

[1, 2, 4, 67, 134, 268, 409, 818, 1636, 2539, 5078, 10156, 27403, 54806, 109612, 170113, 340226, 680452, 1038451, 2076902, 4153804, 69576217, 139152434, 278304868]

約数ペア:

[(1, 278304868), (2, 139152434), (4, 69576217), (67, 4153804), (134, 2076902), (268, 1038451), (409, 680452), (818, 340226), (1636, 170113), (2539, 109612), (5078, 54806), (10156, 27403)]