81519424

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 112

約数和(自身を含む): 199054720

約数和(自身を除く): 117535296

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 61, 64, 76, 112, 122, 133, 152, 157, 224, 244, 266, 304, 314, 427, 448, 488, 532, 608, 628, 854, 976, 1064, 1099, 1159, 1216, 1256, 1708, 1952, 2128, 2198, 2318, 2512, 2983, 3416, 3904, 4256, 4396, 4636, 5024, 5966, 6832, 8113, 8512, 8792, 9272, 9577, 10048, 11932, 13664, 16226, 17584, 18544, 19154, 20881, 23864, 27328, 32452, 35168, 37088, 38308, 41762, 47728, 64904, 67039, 70336, 74176, 76616, 83524, 95456, 129808, 134078, 153232, 167048, 181963, 190912, 259616, 268156, 306464, 334096, 363926, 519232, 536312, 612928, 668192, 727852, 1072624, 1273741, 1336384, 1455704, 2145248, 2547482, 2911408, 4290496, 5094964, 5822816, 10189928, 11645632, 20379856, 40759712, 81519424]

約数ペア:

[(1, 81519424), (2, 40759712), (4, 20379856), (7, 11645632), (8, 10189928), (14, 5822816), (16, 5094964), (19, 4290496), (28, 2911408), (32, 2547482), (38, 2145248), (56, 1455704), (61, 1336384), (64, 1273741), (76, 1072624), (112, 727852), (122, 668192), (133, 612928), (152, 536312), (157, 519232), (224, 363926), (244, 334096), (266, 306464), (304, 268156), (314, 259616), (427, 190912), (448, 181963), (488, 167048), (532, 153232), (608, 134078), (628, 129808), (854, 95456), (976, 83524), (1064, 76616), (1099, 74176), (1159, 70336), (1216, 67039), (1256, 64904), (1708, 47728), (1952, 41762), (2128, 38308), (2198, 37088), (2318, 35168), (2512, 32452), (2983, 27328), (3416, 23864), (3904, 20881), (4256, 19154), (4396, 18544), (4636, 17584), (5024, 16226), (5966, 13664), (6832, 11932), (8113, 10048), (8512, 9577), (8792, 9272)]