201654128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1093}}^1$

素因数の和:2001

約数の個数: 40

約数和(自身を含む): 421618848

約数和(自身を除く): 219964720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 887, 1093, 1774, 2186, 3548, 4372, 7096, 8744, 11531, 14192, 14209, 17488, 23062, 28418, 46124, 56836, 92248, 113672, 184496, 227344, 969491, 1938982, 3877964, 7755928, 12603383, 15511856, 25206766, 50413532, 100827064, 201654128]

約数ペア:

[(1, 201654128), (2, 100827064), (4, 50413532), (8, 25206766), (13, 15511856), (16, 12603383), (26, 7755928), (52, 3877964), (104, 1938982), (208, 969491), (887, 227344), (1093, 184496), (1774, 113672), (2186, 92248), (3548, 56836), (4372, 46124), (7096, 28418), (8744, 23062), (11531, 17488), (14192, 14209)]