30951856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2221}}^1$

素因数の和:2309

約数の個数: 40

約数和(自身を含む): 65575664

約数和(自身を除く): 34623808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 2221, 3484, 4442, 6968, 8884, 13936, 17768, 28873, 35536, 57746, 115492, 148807, 230984, 297614, 461968, 595228, 1190456, 1934491, 2380912, 3868982, 7737964, 15475928, 30951856]

約数ペア:

[(1, 30951856), (2, 15475928), (4, 7737964), (8, 3868982), (13, 2380912), (16, 1934491), (26, 1190456), (52, 595228), (67, 461968), (104, 297614), (134, 230984), (208, 148807), (268, 115492), (536, 57746), (871, 35536), (1072, 28873), (1742, 17768), (2221, 13936), (3484, 8884), (4442, 6968)]