278974384

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{103171}}^1$

素因数の和:103205

約数の個数: 30

約数和(自身を含む): 585294756

約数和(自身を除く): 306320372

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 103171, 206342, 412684, 825368, 1341223, 1650736, 2682446, 5364892, 10729784, 17435899, 21459568, 34871798, 69743596, 139487192, 278974384]

約数ペア:

[(1, 278974384), (2, 139487192), (4, 69743596), (8, 34871798), (13, 21459568), (16, 17435899), (26, 10729784), (52, 5364892), (104, 2682446), (169, 1650736), (208, 1341223), (338, 825368), (676, 412684), (1352, 206342), (2704, 103171)]