66420784

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 132848640

約数和(自身を除く): 66427856

約数列:

[1, 2, 4, 8, 16, 59, 71, 118, 142, 236, 284, 472, 568, 944, 991, 1136, 1982, 3964, 4189, 7928, 8378, 15856, 16756, 33512, 58469, 67024, 70361, 116938, 140722, 233876, 281444, 467752, 562888, 935504, 1125776, 4151299, 8302598, 16605196, 33210392, 66420784]

約数ペア:

[(1, 66420784), (2, 33210392), (4, 16605196), (8, 8302598), (16, 4151299), (59, 1125776), (71, 935504), (118, 562888), (142, 467752), (236, 281444), (284, 233876), (472, 140722), (568, 116938), (944, 70361), (991, 67024), (1136, 58469), (1982, 33512), (3964, 16756), (4189, 15856), (7928, 8378)]