71980016

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{145121}}^1$

素因数の和:145160

約数の個数: 20

約数和(自身を含む): 143961024

約数和(自身を除く): 71981008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 145121, 290242, 580484, 1160968, 2321936, 4498751, 8997502, 17995004, 35990008, 71980016]

約数ペア:

[(1, 71980016), (2, 35990008), (4, 17995004), (8, 8997502), (16, 4498751), (31, 2321936), (62, 1160968), (124, 580484), (248, 290242), (496, 145121)]