28380494

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1\times {\mathrm{659}}^1$

素因数の和:1075

約数の個数: 16

約数和(自身を含む): 43457040

約数和(自身を除く): 15076546

約数列:

[1, 2, 61, 122, 353, 659, 706, 1318, 21533, 40199, 43066, 80398, 232627, 465254, 14190247, 28380494]

約数ペア:

[(1, 28380494), (2, 14190247), (61, 465254), (122, 232627), (353, 80398), (659, 43066), (706, 40199), (1318, 21533)]