238517968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 80

約数和(自身を含む): 521966592

約数和(自身を除く): 283448624

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 104, 124, 142, 208, 248, 284, 403, 496, 521, 568, 806, 923, 1042, 1136, 1612, 1846, 2084, 2201, 3224, 3692, 4168, 4402, 6448, 6773, 7384, 8336, 8804, 13546, 14768, 16151, 17608, 27092, 28613, 32302, 35216, 36991, 54184, 57226, 64604, 73982, 108368, 114452, 129208, 147964, 209963, 228904, 258416, 295928, 419926, 457808, 480883, 591856, 839852, 961766, 1146721, 1679704, 1923532, 2293442, 3359408, 3847064, 4586884, 7694128, 9173768, 14907373, 18347536, 29814746, 59629492, 119258984, 238517968]

約数ペア:

[(1, 238517968), (2, 119258984), (4, 59629492), (8, 29814746), (13, 18347536), (16, 14907373), (26, 9173768), (31, 7694128), (52, 4586884), (62, 3847064), (71, 3359408), (104, 2293442), (124, 1923532), (142, 1679704), (208, 1146721), (248, 961766), (284, 839852), (403, 591856), (496, 480883), (521, 457808), (568, 419926), (806, 295928), (923, 258416), (1042, 228904), (1136, 209963), (1612, 147964), (1846, 129208), (2084, 114452), (2201, 108368), (3224, 73982), (3692, 64604), (4168, 57226), (4402, 54184), (6448, 36991), (6773, 35216), (7384, 32302), (8336, 28613), (8804, 27092), (13546, 17608), (14768, 16151)]