28941445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 10539899

約数列:

[1, 5, 13, 31, 53, 65, 155, 265, 271, 403, 689, 1355, 1643, 2015, 3445, 3523, 8215, 8401, 14363, 17615, 21359, 42005, 71815, 106795, 109213, 186719, 445253, 546065, 933595, 2226265, 5788289, 28941445]

約数ペア:

[(1, 28941445), (5, 5788289), (13, 2226265), (31, 933595), (53, 546065), (65, 445253), (155, 186719), (265, 109213), (271, 106795), (403, 71815), (689, 42005), (1355, 21359), (1643, 17615), (2015, 14363), (3445, 8401), (3523, 8215)]