78131408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157523}}^1$

素因数の和:157562

約数の個数: 20

約数和(自身を含む): 156263808

約数和(自身を除く): 78132400

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 157523, 315046, 630092, 1260184, 2520368, 4883213, 9766426, 19532852, 39065704, 78131408]

約数ペア:

[(1, 78131408), (2, 39065704), (4, 19532852), (8, 9766426), (16, 4883213), (31, 2520368), (62, 1260184), (124, 630092), (248, 315046), (496, 157523)]