278316428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{5352239}}^1$

素因数の和:5352256

約数の個数: 12

約数和(自身を含む): 524519520

約数和(自身を除く): 246203092

約数列:

[1, 2, 4, 13, 26, 52, 5352239, 10704478, 21408956, 69579107, 139158214, 278316428]

約数ペア:

[(1, 278316428), (2, 139158214), (4, 69579107), (13, 21408956), (26, 10704478), (52, 5352239)]