72439952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{348269}}^1$

素因数の和:348290

約数の個数: 20

約数和(自身を含む): 151149180

約数和(自身を除く): 78709228

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 348269, 696538, 1393076, 2786152, 4527497, 5572304, 9054994, 18109988, 36219976, 72439952]

約数ペア:

[(1, 72439952), (2, 36219976), (4, 18109988), (8, 9054994), (13, 5572304), (16, 4527497), (26, 2786152), (52, 1393076), (104, 696538), (208, 348269)]