131019304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18803}}^1$

素因数の和:18889

約数の個数: 32

約数和(自身を含む): 268521120

約数和(自身を除く): 137501816

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 18803, 37606, 75212, 150424, 244439, 488878, 977756, 1259801, 1955512, 2519602, 5039204, 10078408, 16377413, 32754826, 65509652, 131019304]

約数ペア:

[(1, 131019304), (2, 65509652), (4, 32754826), (8, 16377413), (13, 10078408), (26, 5039204), (52, 2519602), (67, 1955512), (104, 1259801), (134, 977756), (268, 488878), (536, 244439), (871, 150424), (1742, 75212), (3484, 37606), (6968, 18803)]