219370.0000000

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 21047040

約数和(自身を除く): 12105016

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 173, 182, 284, 346, 364, 497, 568, 692, 728, 923, 994, 1211, 1384, 1846, 1988, 2249, 2422, 3692, 3976, 4498, 4844, 6461, 7384, 8996, 9688, 12283, 12922, 15743, 17992, 24566, 25844, 31486, 49132, 51688, 62972, 85981, 98264, 125944, 159679, 171962, 319358, 343924, 638716, 687848, 1117753, 1277432, 2235506, 4471012, 8942024]

約数ペア:

[(1, 8942024), (2, 4471012), (4, 2235506), (7, 1277432), (8, 1117753), (13, 687848), (14, 638716), (26, 343924), (28, 319358), (52, 171962), (56, 159679), (71, 125944), (91, 98264), (104, 85981), (142, 62972), (173, 51688), (182, 49132), (284, 31486), (346, 25844), (364, 24566), (497, 17992), (568, 15743), (692, 12922), (728, 12283), (923, 9688), (994, 8996), (1211, 7384), (1384, 6461), (1846, 4844), (1988, 4498), (2249, 3976), (2422, 3692)]