7804888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 18385920

約数和(自身を除く): 10581032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 151, 182, 284, 302, 364, 497, 568, 604, 728, 923, 994, 1057, 1208, 1846, 1963, 1988, 2114, 3692, 3926, 3976, 4228, 6461, 7384, 7852, 8456, 10721, 12922, 13741, 15704, 21442, 25844, 27482, 42884, 51688, 54964, 75047, 85768, 109928, 139373, 150094, 278746, 300188, 557492, 600376, 975611, 1114984, 1951222, 3902444, 7804888]

約数ペア:

[(1, 7804888), (2, 3902444), (4, 1951222), (7, 1114984), (8, 975611), (13, 600376), (14, 557492), (26, 300188), (28, 278746), (52, 150094), (56, 139373), (71, 109928), (91, 85768), (104, 75047), (142, 54964), (151, 51688), (182, 42884), (284, 27482), (302, 25844), (364, 21442), (497, 15704), (568, 13741), (604, 12922), (728, 10721), (923, 8456), (994, 7852), (1057, 7384), (1208, 6461), (1846, 4228), (1963, 3976), (1988, 3926), (2114, 3692)]