28775201

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 7613599

約数列:

[1, 7, 13, 49, 91, 199, 227, 637, 1393, 1589, 2587, 2951, 9751, 11123, 18109, 20657, 45173, 126763, 144599, 316211, 587249, 2213477, 4110743, 28775201]

約数ペア:

[(1, 28775201), (7, 4110743), (13, 2213477), (49, 587249), (91, 316211), (199, 144599), (227, 126763), (637, 45173), (1393, 20657), (1589, 18109), (2587, 11123), (2951, 9751)]