81621232

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 199487232

約数和(自身を除く): 117866000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 97, 112, 154, 176, 194, 308, 388, 616, 679, 683, 776, 1067, 1232, 1358, 1366, 1552, 2134, 2716, 2732, 4268, 4781, 5432, 5464, 7469, 7513, 8536, 9562, 10864, 10928, 14938, 15026, 17072, 19124, 29876, 30052, 38248, 52591, 59752, 60104, 66251, 76496, 105182, 119504, 120208, 132502, 210364, 265004, 420728, 463757, 530008, 728761, 841456, 927514, 1060016, 1457522, 1855028, 2915044, 3710056, 5101327, 5830088, 7420112, 10202654, 11660176, 20405308, 40810616, 81621232]

約数ペア:

[(1, 81621232), (2, 40810616), (4, 20405308), (7, 11660176), (8, 10202654), (11, 7420112), (14, 5830088), (16, 5101327), (22, 3710056), (28, 2915044), (44, 1855028), (56, 1457522), (77, 1060016), (88, 927514), (97, 841456), (112, 728761), (154, 530008), (176, 463757), (194, 420728), (308, 265004), (388, 210364), (616, 132502), (679, 120208), (683, 119504), (776, 105182), (1067, 76496), (1232, 66251), (1358, 60104), (1366, 59752), (1552, 52591), (2134, 38248), (2716, 30052), (2732, 29876), (4268, 19124), (4781, 17072), (5432, 15026), (5464, 14938), (7469, 10928), (7513, 10864), (8536, 9562)]