28150528

素因数分解:

$2^8\times 7^1\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 67108608

約数和(自身を除く): 38958080

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 256, 322, 368, 448, 644, 683, 736, 896, 1288, 1366, 1472, 1792, 2576, 2732, 2944, 4781, 5152, 5464, 5888, 9562, 10304, 10928, 15709, 19124, 20608, 21856, 31418, 38248, 41216, 43712, 62836, 76496, 87424, 109963, 125672, 152992, 174848, 219926, 251344, 305984, 439852, 502688, 611968, 879704, 1005376, 1223936, 1759408, 2010752, 3518816, 4021504, 7037632, 14075264, 28150528]

約数ペア:

[(1, 28150528), (2, 14075264), (4, 7037632), (7, 4021504), (8, 3518816), (14, 2010752), (16, 1759408), (23, 1223936), (28, 1005376), (32, 879704), (46, 611968), (56, 502688), (64, 439852), (92, 305984), (112, 251344), (128, 219926), (161, 174848), (184, 152992), (224, 125672), (256, 109963), (322, 87424), (368, 76496), (448, 62836), (644, 43712), (683, 41216), (736, 38248), (896, 31418), (1288, 21856), (1366, 20608), (1472, 19124), (1792, 15709), (2576, 10928), (2732, 10304), (2944, 9562), (4781, 5888), (5152, 5464)]