42559486

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1299

約数の個数: 16

約数和(自身を含む): 64817280

約数和(自身を除く): 22257794

約数列:

[1, 2, 109, 197, 218, 394, 991, 1982, 21473, 42946, 108019, 195227, 216038, 390454, 21279743, 42559486]

約数ペア:

[(1, 42559486), (2, 21279743), (109, 390454), (197, 216038), (218, 195227), (394, 108019), (991, 42946), (1982, 21473)]