281204224

素因数分解:

$2^9\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2587

約数の個数: 80

約数和(自身を含む): 663100416

約数和(自身を除く): 381896192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1736, 1792, 1984, 2531, 3472, 3584, 3968, 5062, 6944, 7936, 10124, 13888, 15872, 17717, 20248, 27776, 35434, 40496, 55552, 70868, 78461, 80992, 111104, 141736, 156922, 161984, 283472, 313844, 323968, 549227, 566944, 627688, 647936, 1098454, 1133888, 1255376, 1295872, 2196908, 2267776, 2510752, 4393816, 4535552, 5021504, 8787632, 9071104, 10043008, 17575264, 20086016, 35150528, 40172032, 70301056, 140602112, 281204224]

約数ペア:

[(1, 281204224), (2, 140602112), (4, 70301056), (7, 40172032), (8, 35150528), (14, 20086016), (16, 17575264), (28, 10043008), (31, 9071104), (32, 8787632), (56, 5021504), (62, 4535552), (64, 4393816), (112, 2510752), (124, 2267776), (128, 2196908), (217, 1295872), (224, 1255376), (248, 1133888), (256, 1098454), (434, 647936), (448, 627688), (496, 566944), (512, 549227), (868, 323968), (896, 313844), (992, 283472), (1736, 161984), (1792, 156922), (1984, 141736), (2531, 111104), (3472, 80992), (3584, 78461), (3968, 70868), (5062, 55552), (6944, 40496), (7936, 35434), (10124, 27776), (13888, 20248), (15872, 17717)]