131190016

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 275760128

約数和(自身を除く): 144570112

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 256, 271, 488, 496, 542, 976, 992, 1084, 1891, 1952, 1984, 2168, 3782, 3904, 3968, 4336, 7564, 7808, 7936, 8401, 8672, 15128, 15616, 16531, 16802, 17344, 30256, 33062, 33604, 34688, 60512, 66124, 67208, 69376, 121024, 132248, 134416, 242048, 264496, 268832, 484096, 512461, 528992, 537664, 1024922, 1057984, 1075328, 2049844, 2115968, 2150656, 4099688, 4231936, 8199376, 16398752, 32797504, 65595008, 131190016]

約数ペア:

[(1, 131190016), (2, 65595008), (4, 32797504), (8, 16398752), (16, 8199376), (31, 4231936), (32, 4099688), (61, 2150656), (62, 2115968), (64, 2049844), (122, 1075328), (124, 1057984), (128, 1024922), (244, 537664), (248, 528992), (256, 512461), (271, 484096), (488, 268832), (496, 264496), (542, 242048), (976, 134416), (992, 132248), (1084, 121024), (1891, 69376), (1952, 67208), (1984, 66124), (2168, 60512), (3782, 34688), (3904, 33604), (3968, 33062), (4336, 30256), (7564, 17344), (7808, 16802), (7936, 16531), (8401, 15616), (8672, 15128)]